1048.1 Scope. This specification covers all temporary pavement markings, permanent pavement markings and drop-on glass beads. 1048.1.1 Certification and Acceptance. All material contained in Sec 1048 shall be in accordance with the following requirements. 1048.1.1.1 To obtain approval of the material, the manufacturer shall submit material and application specifications, samples of the material, and a history of satisfactory use to Construction and Materials for testing and evaluation. The sample quantity submitted shall be at the discretion of Construction and Materials. The approval process shall not be initiated prior to obtaining the concurrence of Construction and Materials. Following testing and evaluation, satisfactory material will be placed on a qualified list. 1048.1.1.2 For acceptance on a project, the contractor shall furnish to the engineer a manufacturer's certification stating the manufacturer and trade name, lot or batch number and that all material furnished is similar to the material originally qualified. Acceptance of the material will be based on the manufacturer's certification, the results of such tests that may be performed by the engineer and satisfactory performance in the field. 1048.1.1.3 The material may be inspected and sampled at the point of manufacture, at an intermediate shipping terminal or at destination. The engineer shall be allowed access to all facilities and records as required to conduct inspection and sampling. The contractor shall adequately mix the contents of all shipping containers prior to obtaining samples or transferring partial containers of material to tanks on the striping equipment. SECTION 1048.10 TEMPORARY PAVEMENT MARKING MATERIALS.
1048.10.1 Temporary Paint Materials. This specification covers all temporary paint materials. All materials
contained in Sec 1048.20.1 may also be used as Temporary Paint Materials.
1048.10.1 1 Cold Weather Pavement Marking Paint.
1048.10.1 1.1 Acrylic Copolymer Fast Dry Pavement Marking Paint.
1048.10.1 1.1.1 Description. Acrylic copolymer fast dry pavement marking paint shall be capable of receiving
and holding glass beads for producing retroreflective pavement marking.
1048.10.1 1.1.2 Material. The paint shall contain no more than 3,200 ppm lead or more than 800 ppm
chromium based on dry weight, and shall have limited VOC content as noted herein.
1048.10.1 1.1.2.1 General. The finished paint shall be formulated and manufactured from first-grade material
and shall be a fast drying, solvent-based, acrylic copolymer resin type paint capable of withstanding air and roadway temperatures without bleeding, staining, discoloring or deforming. The dried paint film shall be capable of maintaining original dimensions and placement without chipping, spalling or cracking. The dry paint film shall not deteriorate because of contact with normal roadway chemicals or materials.
1048.10.1 1.1.2.2 Durability Testing. Determination of conformance to this specification will include, but will
not be limited to, the evaluation of test data from AASHTO Product Evaluation and Audit Solutions program or other MoDOT approved facilities. The maintained retroreflectivity and durability shall be in accordance with the following requirements after being installed on at least one AASHTO Product Evaluation and Audit Solutions test deck in a northern, wet climate region for a minimum of six months, including December, January and February.
1048.10.1 1.1.2.3 Maintained Retroreflectivity. Photometric quantity to be measured will be the coefficient of
retroreflective luminance (RL) in accordance with the requirements of ASTM E 1743 for 15-meter geometry or ASTM E 1710 for 30-meter geometry. The average RL for concrete and bituminous surfaces shall be expressed in millicandelas per square meter per lux and shall be at least 100 for 15-meter geometry or 75 for 30-meter geometry, when measured in the wheel path area.
1048.10.1 1.1.2.4 Durability. Paint shall have a durability rating of at least 4 for both concrete and bituminous
surfaces when tested in the wheel path area of the AASHTO Product Evaluation and Audit Solutions test deck.
1048.10.1 1.1.3 Mixed Paint.
1048.10.1 1.1.3.1 The mixed paint shall be strained before filling, using a screen or a sieving device no coarser
than 40 mesh.
1048.10.1 1.1.3.2 The VOC content of the finished paint shall be less than 1.25 pounds of volatile organic
matter per gallon of total non-volatile paint material when tested in accordance with ASTM D 3960.
1048.10.1 1.1.3.3 The paint shall have the following physical properties.
Property Requirement Viscosity, KU 80 - 95 Laboratory Dry Time, ASTM D 711, minutes, max. 10
1048.10.1 1.1.3.4 Color. For white, the color shall closely match Color Chip 37925 of Federal Standard 595b.
For yellow, the color shall closely match Color Chip 33538 of Federal Standard 595b. Color determination will be made for markings and the diffuse daytime color of the markings shall be in accordance with the below CIE Chromaticity coordinate limits. Color determination for liquid marking materials will be made over the black portion of a 2A or 5C Leneta Chart or equal, at least 24 hours after application of a 18-mil wet film. Color readings will be determined in accordance with the requirements of ASTM E 1349 using CIE 1931 2-degree standard observer and CIE standard illuminant D65. CIE Chromaticity Coordinate Limits (Initial) Color 1 2 3 4 x y x y x y x y White 0.3340.3570.3340.3170.2970.3570.2970.317 Yellow0.5310.4830.5310.4290.4710.4830.4710.429
1048.10.1 1.1.3.5 Contrast Ratio. The contrast ratio shall be a minimum of 0.98 when drawn down as a 18-mil
wet film on a 2A or 5C Leneta Chart or equal, and air-dried for 24 hours. The contrast ratio shall be calculated as follows: Contrast ratio = Black/White.
1048.10.1 1.1.3.6 Reflectance. The daylight directional reflectance of a 18-mil wet film applied to a 2A or 5C
Leneta Chart or equal and dried for a minimum of 24 hours shall be 84% minimum for the white paint and 50% minimum for the yellow paint.
1048.10.1 1.1.4 Acceptance.
1048.10.1 1.1.4.1 Except as noted, each batch or lot of paint shall be sampled and approved by the engineer
prior to use.
1048.10.1 1.1.4.2 No paint shall be used that is more than 15 months old.
1048.10.1 1.1.4.3 In addition to the requirements of Sec 1048.1.1, the certification supplied by the manufacturer
shall include reference to the specific AASHTO Product Evaluation and Audit Solutions test deck to which the paint formulation was applied, including AASHTO Product Evaluation and Audit Solutions identification numbers and report numbers.
1048.10.1 1.2 Cold Weather Waterborne Pavement Marking Paint.
1048.10.1 1.2.1 Description. These specifications cover waterborne traffic paint for application on bituminous
or Portland cement concrete pavements by department-owned spray equipment at application temperatures of 35 to 150ºF (2 to 66ºC). The paint shall be capable of receiving and holding glass beads for producing reflectorized traffic markings.
1048.10.1 1.2.2 Materials. The paint shall not contain more than 500 ppm lead and/or more than 780 ppm
chromium based on dry weight and shall have limited Volatile Organic Content (VOC), as noted herein.
1048.10.1 1.2.2.1 Acrylic Emulsion Polymer. The acrylic emulsion polymer used in the manufacture of the paint
shall be Dow Fastrack XSR or preapproved equivalent. Later generation acrylic emulsions may be substituted only after concurrence of the Chemical Laboratory Director.
1048.10.1 1.2.2.2 General. The finished paint shall be formulated and manufactured from first-grade materials
and shall be a fast drying, water based, acrylic resin type paint capable of withstanding air and roadway temperatures without bleeding, staining, discoloring, or deforming. The dried paint film shall be capable of maintaining its original dimensions and placement without chipping, spalling, or cracking. In addition, it shall not deteriorate because of contact with sodium chloride, calcium chloride, mild alkalies and acids, or other ice control materials, or oil, gasoline or diesel fuel drippings from vehicles.
1048.10.1 1.2.2.3 Maintained retroreflectivity. Photometric quantity to be measured is coefficient of
retroreflective luminance (RL) in accordance with the requirements of ASTM E1710 for 30-meter geometry. The average RL for concrete and asphalt surfaces shall be expressed in millicandelas per square meter per lux (milicandelas/m2/lux) and shall be at least 75 for 30 meter geometry, when measured in the wheel path area.
1048.10.1 1.2.3 Mixed Paint. The mixed paint shall conform to the following requirements.
1048.10.1 1.2.3.1 The paint shall be strained before filling, using a screen or strainer not coarser than 40 mesh or
equivalent.
1048.10.1 1.2.3.2 The volatile content of the finished paint shall contain less than 150 grams of volatile organic
matter per liter in accordance with ASTM D3960.
1048.10.1 1.2.3.3 The paint shall have the following properties:
1048.10.1 1.2.3.3.1 Physical Properties.
Property Requirement Weight per Gallon @77 F, lbs Report Viscosity, KU 75-92 Grind (Hegman Gage), min. 3 Laboratory Dry Time, ASTM D 711, minutes, max. 10 Dry Through Time, minutes, max 150
1048.10.1 1.2.3.3.2 Color. For white the color shall closely match Color Chip 37925 of Federal Standard 595b.
For yellow, the color shall closely match Color Chip 33538 of Federal Standard 595b. Color determination will be made for markings and the diffuse daytime color of the markings shall conform to the below CIE Chromaticity coordinate limits. Color determination for liquid marking materials will be made over the black portion of a 2A or 5C Leneta Chart (or equal) at least twenty-four (24) hours after application of a 18-mil wet film. Color readings will be determined in accordance with the requirements of ASTM E1349 using CIE 1931 2º standard observer and CIE standard illuminant D65. CIE Chromaticity Coordinate Limits (Initial) Color 1 2 3 4 x y x y x y x y White 0.3340.3570.3340.3170.2970.3570.2970.317 Yellow0.5310.4830.5310.4290.4710.4830.4710.429
1048.10.1 1.2.3.3.3 Flexibility. The paint shall show no cracking or flaking when tested in accordance with
Federal Specification TT-P-1952B.
1048.10.1 1.2.3.3.4 Water Resistance. The paint shall show no cracking or flaking when tested in accordance
with Federal Specification TT-P-1952B.
1048.10.1 1.2.3.3.5 Freeze-Thaw Stability. The paint shall show no coagulation or change in consistency
greater than 10 Kreb Units, when tested in accordance with Federal Specification TT-P-1952B.
1048.10.1 1.2.3.3.6 Heat Stability. The paint shall show no coagulation, discoloration or change in consistency
greater than 10 Kreb Units, when tested in accordance with Federal Specification TT-P-1952B.
1048.10.1 1.2.3.3.7 Dilution Test. The paint shall be capable of dilution with water at all levels without curdling
or precipitation such that the wet paint can be readily cleaned up with water only.
1048.10.1 1.2.3.3.8 Storage Stability. After 30 days storage in three-quarters filled, closed container, the paint
shall show no caking that cannot be readily remixed to a smooth, homogeneous state, no skinning, livering, curdling, or hard settling. The viscosity shall not change more than 5(10) Kreb Units from the viscosity of the original sample.
1048.10.1 1.2.3.3.9 Contrast Ratio. The minimum contrast ratio (hiding power) shall be 0.99 for White and
0.98 for Yellow when drawn down with a 0.015 film applicator on a 2A or 5CLeneta Chart (or equal) and air- dried for 24 hours. Contrast Ratio = Black/White.
1048.10.1 1.2.3.3.10 Reflectance. The daylight directional reflectance of the white paint shall not be less than
87 percent and not less than 50 percent for yellow paint of a 18 mil wet film applied to a 2A or 5C Leneta Chart (or equal). After drying for a minimum of 24 hours measure the reflectance of the paint over the black portion of the chart using colorimeter, ASTM E 1347.
1048.10.1 1.2.3.3.11 Bleeding. The paint shall have a minimum-bleeding ratio of 0.97 when tested in
accordance with Federal Specification TT-P-1952B. The asphalt saturated felt shall conform to ASTM D 226 for Type I.
1048.10.1 1.2.3.3.12 Dry Through Time. The paint shall be applied to a non-absorbent substrate at a wet film
thickness of 18 ± 1 mils and placed in a humidity chamber controlled at 90 ± 5 percent R.H. and 72.5 ± 2.5ºF. The dry through time shall be determined according to ASTM D 1640.
1048.10.1 1.2.4 Acceptance. The Missouri Department of Transportation reserves the right to make field tests of
material after receipt of bids, but prior to award to determine the paint's suitability for application in its equipment and for purposes of determining compliance with drying time requirements of this specification.
1048.10.1 1.2.4.1 Stability in Storage. After storage for periods up to twelve (12) months from the date of
manufacture, the paint shall comply with the following requirements: a) The pigment shall not settle badly or cake in the container, nor shall the paint skin or thicken in storage sufficiently to cause an undesirable change in consistency, nor show spoilage. b) The paint shall comply with all other provisions of these specifications and be capable of being re-dispersed with a paddle or mixer to a smooth uniform condition of usable consistency.
1048.10.2 Temporary Removable Pavement Marking Tape.
1048.10.2 1 General. Temporary removable pavement marking tape shall be capable of being removed and
shall leave no objectionable or misleading image or damage to the pavement after removal.
1048.10.2 2 The tape shall have a minimum specific luminance as shown for White and Yellow per ASTM D
4592, expressed as millicandelas/m2/lux. The tape shall be applied to an 8 x 36-inch panel per instrument recommendation for pavement marking tape and measured in accordance with MoDOT Test Method TM 8 at prescribed CEN geometry.
1048.10.2 3 Adhesive. Tape shall have a pre-coated pressure sensitive adhesive requiring no activation
procedures. The adhesive shall be resistant to normal roadway chemicals or materials.
1048.10.2 4 Durability. The tape shall be weather-resistant and show no appreciable fading, lifting or shrinkage
during the tape’s useful life. Samples of the tape applied to standard specimen plates and tested in accordance with Federal Test Method No. 141, Method 6192, for 1,000 cycles, using a CS-17 wheel and 1,000-gram load shall not expose the backing material over more than five percent of the abraded area.
1048.10.3 Temporary Non-Removable Pavement Marking Tape.
1048.10.3 1 Reflectance. The tape shall have minimum specific luminance as shown for White and Yellow per
ASTM D 4592, expressed as millicandelas/m2/lux). The tape shall be applied to an 8 in. x 36 in. panel per instrument recommendation for pavement marking tape and measured in accordance with MoDOT Test Method TM 8 at prescribed CEM geometry.
1048.10.3 2 Adhesive. Tape shall have pre-coated pressure sensitive adhesive requiring no activation
procedures. The adhesive shall be resistant to normal roadway chemicals or materials.
1048.10.3 3 Durability. The tape shall be weather-resistant and show no appreciable fading, lifting or shrinkage
during the tape’s useful life. Samples of the tape applied to standard specimen plates and tested in accordance with Federal Test Method No. 141, Method 6192, for 1000 cycles, using a CS-17 wheel and 1000-gram load shall not expose the backing material over more than five percent of the abraded area.
1048.10.4 Temporary Raised Pavement Markers.
1048.10.4 1 General. The brand name and manufacturer shall be stamped or indelibly printed on each container.
1048.10.4 2 Temporary Raised Pavement Markers. Markers shall consist of an L-shaped or T-shaped flexible
polymer body with a minimum of 6.0 squre inches of ASTM Type V reflective sheeting on both faces of the vertical section. The marker base shall have affixed a pressure-sensitive adhesive, protected by a release paper, for application to the pavement surface. When required per Sec 620.10.5.3.2, a protective sleeve that prevents contamination of the reflective faces during pavement surface treatment operations shall be affixed to each marker in a minimum of two locations. The protective sleeve shall be easily removable after the surface treatment operation is complete
1048.20 Permanent Pavement Marking Materials.
1048.20.1 Pavement Marking Paint Materials.
1048.20.1 1 High Build Acrylic Waterborne Pavement Marking Paint.
1048.20.1 1.1 Description. Acrylic waterborne pavement marking paint shall be capable of receiving and
holding glass beads for producing retroreflective pavement marking.
1048.20.1 1.2 Material. The paint shall contain no more than 3,200 ppm lead or more than 800 ppm chromium,
based on dry weight.
1048.20.1 1.2.1 General. The finished paint shall be formulated and manufactured from quality material and
shall be a fast-drying, water-based, acrylic resin-type paint capable of withstanding air and roadway temperatures without bleeding, staining, discoloring or deforming. The dried paint film shall be capable of maintaining original dimensions and placement without chipping, spalling or cracking. The dry paint film shall not deteriorate from contact with normal roadway chemicals or materials.
1048.20.1 1.2.2 Acrylic Emulsion Polymer. The acrylic emulsion polymer used in the manufacture of the paint
shall be Rohm & Haas HD-21, Dow DT400 or equal.
1048.20.1 1.2.3 Durability Testing. Determination of conformance to this specification will include, but will
not be limited to, the evaluation of test data from AASHTO Product Evaluation and Audit Solutions or other MoDOT approved facilities. The maintained retroreflectivity and durability shall be in accordance with the following requirements after being installed on at least one AASHTO Product Evaluation and Audit Solutions test deck in a northern climate region for at minimum of six months, including December, January and February.
1048.20.1 1.2.3.1 Maintained Retroreflectivity. Photometric quantity to be measured will be the coefficient of
retroreflective luminance (RL) in accordance with the requirements of ASTM E 1743 for 15-meter geometry or ASTM E 1710 for 30-meter geometry. The average RL for concrete and bituminous surfaces shall be expressed in millicandelas per square meter per lux and shall be at least 100 for 15-meter geometry or 75 for 30-meter geometry, when measured in the wheel path area.
1048.20.1 1.2.3.2 Durability. Paint shall have a durability rating of at least 4 for both concrete and bituminous
surfaces when tested in the wheel path area of the AASHTO Product Evaluation and Audit Solutions test deck.
1048.20.1 1.3 Mixed Paint.
1048.20.1 1.3.1 The paint shall be strained before filling using a screen or a sieving device no coarser than 40
mesh or equivalent.
1048.20.1 1.3.2 The volatile content of the finished paint shall contain less than 150 grams of volatile organic
matter per liter in accordance with ASTM D 3960.
1048.20.1 1.3.3 The paint shall have the following physical properties:
Acrylic Waterborne Pavement Marking Paint Physical Properties Property Requirement Viscosity, 77 F, KU 83-98 Grind (Hegman Gage), minimum 3 Laboratory Dry Time, ASTM D 711, @ 18 mil, minutes, max. 10 Laboratory Dry Time, ASTM D 711, @ 25 mil, minutes, max. 25 Dry Through Time, minutes, max. 150
1048.20.1 1.3.3.1 Color. For white, the color shall closely match Color Chip 37925 of Federal Standard 595b.
For yellow, the color shall closely match Color Chip 33538 of Federal Standard 595b. Color determination will be made for markings and the diffuse daytime color of the markings shall be in accordance with the below CIE Chromaticity coordinate limits. Color determination for liquid marking material will be made over the black portion of a 2A or 5C Leneta Chart or equal, at least 24 hours after application of a 18-mil wet film. Color readings will be determined in accordance with the requirements of ASTM E 1349 using CIE 1931 2-degree standard observer and CIE standard illuminant D65. CIE Chromaticity Coordinate Limits (Initial) Color 1 2 3 4 x y x y x y x y White 0.3340.3570.3340.3170.2970.3570.2970.317 Yellow0.5310.4830.5310.4290.4710.4830.4710.429
1048.20.1 1.3.3.2 Flexibility. The paint shall show no cracking or flaking when tested in accordance with
Federal Specification TT-P-1952B.
1048.20.1 1.3.3.3 Water Resistance. The paint shall conform to Federal Specification TT-P-1952B. There shall
be no blistering or appreciable loss of adhesion, softening or other deterioration after examination.
1048.20.1 1.3.3.4 Freeze-Thaw Stability. The paint shall show no coagulation or change in consistency greater
than 10 Kreb Units when tested in accordance with Federal Specification TT-P-1952B.
1048.20.1 1.3.3.5 Heat Stability. The paint shall show no coagulation, discoloration or change in consistency
greater than 10 Kreb Units when tested in accordance with Federal Specification TT-P-1952B.
1048.20.1 1.3.3.6 Dilution Test. The paint shall be capable of dilution with water at all levels without curdling
or precipitation such that the wet paint can be readily cleaned up with water only.
1048.20.1 1.3.3.7 Storage Stability. After 30 days of storage in a 3/4 filled, closed container, the paint shall
show no caking that cannot be readily remixed to a smooth, homogeneous state, and shall show no skinning, livering, curdling or hard settling. The viscosity shall change no more than 5 Kreb Units from the viscosity of the original sample.
1048.20.1 1.3.3.8 Contrast Ratio. The minimum contrast ratio (hiding power) shall be 0.96 when drawn down
with a 0.005 bird film applicator on a 2A or 5C Leneta Chart or equal and air-dried for 24 hours. The contrast ratio shall be calculated as follows: Contrast Ratio = Black/White.
1048.20.1 1.3.3.9 Reflectance. The daylight directional reflectance of a 18-mil wet film, applied to a 2A or 5C
Leneta Chart or equal and dried for a minimum of 24 hours, shall be no less than 84 percent for the white paint and no less than 50 percent for the yellow paint.
1048.20.1 1.3.3.10 Bleeding. The paint shall have a minimum bleeding ratio of 0.97 when tested in accordance
with Federal Specification TT-P-1952B. The asphalt saturated felt shall be in accordance with ASTM D 226 for Type I.
1048.20.1 1.3.3.11 Dry Through Time. The paint shall be applied to a non-absorbent substrate at a wet film
thickness of 18 ± 1 mil and placed in a humidity chamber controlled at 90 ± 5 percent relative humidity and 72.5 ± 2.5 F. The dry through time shall be determined in accordance with ASTM D 1640, except that the pressure exerted shall be the minimum needed to maintain contact with the thumb and film.
1048.20.1 1.4 Acceptance.
1048.20.1 1.4.1 Except as noted, each batch or lot of paint shall be sampled and approved by the engineer prior
to use.
1048.20.1 1.4.2 No paint shall be used that is more than 15 months old.
1048.20.1 1.4.3 In addition to the requirements of Sec 1048.1.1, the certification supplied by the manufacturer
shall include reference to the specific AASHTO Product Evaluation and Audit Solutions test deck to which the paint formulation was applied, including AASHTO Product Evaluation and Audit Solutions identification numbers and report numbers.
1048.20.2 Durable Pavement Marking Materials.
1048.20.2 1 Plural Component Pavement Marking Materials.
1048.20.2 1.1 Epoxy Pavement Marking Materials.
1048.20.2 1.1.1 Fast Cure Epoxy Pavement Marking Materials.
1048.20.2 1.1.1.1 General. Epoxy pavement marking material shall not contain toxic heavy metals. The
material shall be two-component, 100 percent solids and formulated and tested to perform as a pavement marking material with glass beads applied to the surface. The two components shall be epoxy resin and an amine curing agent.
1048.20.2 1.1.1.2 Toxicity. Upon heating to application temperature, the material shall not release fumes that are
toxic to persons or property. Upon curing, the material shall be completely inert, with all components fully reacted and environmentally benign.
1048.20.2 1.1.1.3 No Track Time. The material shall have a no-track time of 10 minutes or less, when mixed in
the proper proportions and applied at a 25-mil wet film thickness at 75 ± 2 F with the proper application of glass beads and when tested in accordance with ASTM D 711. The material shall fully cure under a constant surface temperature of 32 F or above.
1048.20.2 1.1.1.4 Adhesion to Concrete. The pavement marking material shall have a high degree of adhesion
to the concrete surface such that there is a 100 percent concrete failure when tested in accordance with ACI 503, Appendix A.1. The prepared specimens shall have a film thickness of 18 ± 1 mil and shall be applied to concrete with a minimum compressive strength of 4,000 psi. The concrete surface shall be 90 ± 2 F when the material is applied. The applied material shall be cured for 72 hours at 75 ± 2 before performing the test.
1048.20.2 1.1.1.5 Hardness. The material shall have a minimum Shore D Hardness of 75 when tested in
accordance with ASTM D 2240.
1048.20.2 1.1.1.6 Tensile Strength. The material shall have a minimum tensile strength of 5,000 psi after 72
hours of cure at 75 ± 2 F when tested in accordance with ASTM D 638.
1048.20.2 1.1.1.7 Compressive Strength. The material shall have a minimum compressive strength of 10,000
psi after 72 hours of cure at 75 ± 2 F when tested in accordance with ASTM D 695.
1048.20.2 1.1.1.8 Abrasion Resistance. The material shall have a maximum abrasion resistance of 150 mg at
18 ± 1 mil thickness after 72 hours of cure and with a CS-17 wheel under a load of 1,000 grams for 1,000 cycles, when tested in accordance with ASTM C 501.
1048.20.2 1.1.1.9 Yellowness Index. The material shall have a maximum yellowness index of 6 before the QUV
test and a maximum of yellowness index of 23 after the 72-hour QUV test, when tested in accordance with ASTM D 1925.
1048.20.2 1.1.1.10 Color. The finished white color shall be free from tint, furnishing good opacity and visibility
under both daylight and artificial light. The finished yellow color shall closely match Federal Test Standard 595 - Color Chip Number 13538.
1048.20.2 1.1.1.11 Drop-on Glass Beads. Glass beads shall be in accordance with Sec 1048.30.
1048.20.2 1.1.1.12 Qualification. In addition to the requirements of Sec 1048.1.1, the material shall have been
field tested at AASHTO Product Evaluation and Audit Solutions test decks in a northern, wet climate region for a minimum of six months. The maintained retroflectivity and durability shall be in accordance with the following requirements after being installed on at least one AASHTO Product Evaluation and Audit Solutions test deck for a minimum of six months, including December, January and February.
1048.20.2 1.1.1.12.1 Maintained Retroreflectivity. Photometric quantity to be measured will be the coefficient
of retroreflective luminance (RL) in accordance with ASTM E 1743 for 15-meter geometry or ASTM E 1710 for 30-meter geometry. The average RL for concrete and asphalt surfaces shall be expressed in millicandelas per footcandle per square foot and shall be at least 125 for 15-meter geometry or 100 for 30-meter geometry, when measured in the wheel path area.
1048.20.2 1.1.1.12.2 Durability. Paint shall have a durability rating of at least 5 for both concrete and asphalt
surfaces when tested in the wheel path area of the AASHTO Product Evaluation and Audit Solutions test deck.
1048.20.2 1.1.1.13 Packaging. The manufacturer's name and address, product name, color, manufacturing date,
date of expiration and if the material is Part A or B shall be visible on the containers. In addition to the requirements of Sec 1048.1.1, the certification supplied by the manufacturer shall include reference to the specific AASHTO Product Evaluation and Audit Solutions test deck to which the paint formulation was applied, including AASHTO Product Evaluation and Audit Solutions identification numbers and report numbers.
1048.20.2 1.2 Polyurea Pavement Marking Material.
1048.20.2 1.2.1 Polyurea Pavement Marking Material. Polyurea pavement marking material shall not contain
toxic heavy metals. It shall be two components, 100 percent solids, and formulated and tested to perform as a pavement marking material with glass beads applied to the surface.
1048.20.2 1.2.2 Toxicity. Upon heating to application temperature, the material shall not release fumes that are
toxic to persons or property. Upon curing, the material should be completely inert, with all components fully reacted and environmentally benign.
1048.20.2 1.2.3 No Track Time. The material shall have a no-track time of 10 minutes or less when mixed in
the proper proportions and applied at 20 mils wet film thickness at 75 ± 2 F with the proper application of glass beads and when tested in accordance with ASTM D 711. The material shall fully cure under a constant surface temperature of 32 F or above.
1048.20.2 1.2.4 Adhesion to Concrete. The pavement marking material shall have a high degree of adhesion to
the concrete surface such that there is a 100 percent concrete failure when tested in accordance with ACI 503, Appendix A.1. The prepared specimens shall have a film thickness of 18 ± 1 mils and be applied to concrete with a minimum compressive strength of 4,000 psi. The concrete surface shall be 90 ± 2 F when the material is applied. The applied material shall be cured for 72 hours at 75 ± 2 F before performing the test.
1048.20.2 1.2.5 Hardness. The material shall have a minimum Shore D Hardness of between 70 and 100 when
tested in accordance with ASTM D 2240.
1048.20.2 1.2.6 Abrasion Resistance. The material shall have a maximum abrasion resistance of 150 mg at 18
± 1 mils thickness after 72 hour curing time and with a CS-17 wheel under a load of 1,000 grams for 1,000 cycles, when tested in accordance with ASTM C 501.
1048.20.2 1.2.7 Yellowness Index. The material shall have a maximum yellowness index of 6 before the QUV
test and a maximum of 23 after the 72 hour QUV test, when tested in accordance with ASTM D 1925.
1048.20.2 1.2.8 Color. The finished white color shall be free from tint, furnishing good opacity and visibility
under both daylight and artificial light. The finished yellow color shall be defined by Federal Test Standard 595 - Color Chip Number 13538, using Federal Tests Standard 141 (Method 4252).
1048.20.2 1.2.9 Accelerated Weathering. The material shall have been field tested at AASHTO Product
Evaluation and Audit Solutions test decks for a minimum of six months. The material shall have satisfactory results from the AASHTO Product Evaluation and Audit Solutions test deck.
1048.20.2 1.2.10 Drop-on Glass Beads. Glass beads shall be in accordance with Sec 1048.30.
1048.20.2 1.2.11 Qualification. In addition to the requirements of Sec 1048.1.1, the material shall have been
field tested at AASHTO Product Evaluation and Audit Solutions test decks in a northern, wet climate region for a minimum of six months. The maintained retroflectivity and durability shall be in accordance with the following requirements after being installed on at least one AASHTO Product Evaluation and Audit Solutions test deck for a minimum of six months, including December, January and February.
1048.20.2 1.2.11.1 Maintained Retroreflectivity. Photometric quantity to be measured will be the coefficient of
retroreflective luminance (RL) in accordance with ASTM E 1743 for 15-meter geometry or ASTM E 1710 for 30-meter geometry. The average RL for concrete and asphalt surfaces shall be expressed in millicandelas per footcandle per square foot and shall be at least 125 for 15-meter geometry or 100 for 30-meter geometry, when measured in the wheel path area.
1048.20.2 1.2.11.2 Durability. Paint shall have a durability rating of at least 5 for both concrete and asphalt
surfaces when tested in the wheel path area of the AASHTO Product Evaluation and Audit Solutions test deck.
1048.20.2 1.2.12 Packing. The pavement marking material shall be shipped to the job site in strong, substantial
containers. The manufacturer shall include the MSDS with each shipment. The manufacturer's name and address, name of the product, lot number and/or batch number, color, tare weight, manufacturing date, date of expiration, mixing proportions and if it is Part A or B shall be contained on a label and/or painted on the containers.
1048.20.2 2 Durable Preformed Pavement Marking Materials.
1048.20.2 2.1 Cold Applied Preformed Pavement Marking Tape Materials.
1048.20.2 2.1.1 Application. After application, the tape shall be immediately ready to receive traffic.
1048.20.2 2.1.2 Composition. Cold applied preformed pavement marking tape shall consist of a mixture of
polymeric material and pigments with beads distributed throughout the cross-sectional area and with a reflective layer of glass beads embedded in the surface. The marking shall be capable of adhering to bituminous or concrete surfaces by a flexible conforming backing. A primer may be required to precondition the pavement surface.
1048.20.2 2.1.3 Dimensions. The marking tape as supplied shall be free of cracks, and have edges true, straight,
and unbroken. The actual width of the rolls of preformed tape shall be no less than the nominal (stated) width and no more than 1/8 in. greater than the nominal width. The length shall be no less than the length stated.
1048.20.2 2.1.4 Adhesion. The tape shall be supplied with a precoated factory-applied pressure sensitive
adhesive. The marking tape shall have minimum adhesion values as shown in table 2 of ASTM D1000.
1048.20.2 2.1.5 Color. The white and yellow marking tape shall conform to the requirements of ASTM D6628.
1048.20.2 2.1.6 Reflectance. The tape shall have a minimum specific luminance as shown for White and Yellow
per ASTM D 4505, expressed as millicandelas /m2/lux. The tape shall be applied to an 8 x 36-inch panel per instrument recommendation for pavement marking tape and measured in accordance with MoDOT Test Method TM 8 at prescribed CEN geometry.
1048.20.2 2.1.7 Index of Refraction. The glass beads mixed into the pliant polymer shall have a minimum
index of refraction of 1.50 when tested by the oil immersion method. If ceramic elements are used in the pavement marking, the ceramic elements shall have a minimum index of refraction of 1.70 when tested using the liquid oil immersion method. Ceramic beads with an index of refraction greater than 1.80 shall not be used.
1048.20.2 3 Durable Intersecton Marking Materials.
1048.20.2 3.1 Preformed Thermoplastic Material.
1048.20.2 3.1.1 General. Pavement marking material shall not contain toxic heavy metals. The material shall be
solid, formulated and tested to perform as a pavement marking material with glass beads uniformly throughout the marking.
1048.20.2 3.1.2 Toxicity. Upon heating to application temperature, the material shall not release fumes that are
toxic to persons or property. Upon curing, the material shall be completely inert, with all components fully reacted and environmentally benign.
1048.20.2 3.1.3 Adhesion to Pavement. The pavement marking material shall have a high degree of adhesion to
the pavement surface. The product shall be applied per manufactures specification on a clean dry surface.
1048.20.2 3.1.4 Abrasion Resistance. The material shall have a maximum abrasion resistance of 150 mg with a
CS-17 wheel under a load of 1,000 grams for 1,000 cycles, when tested in accordance with ASTM C 501.
1048.20.2 3.1.5 Yellowness Index. The material shall have a maximum yellowness index of 6 before the QUV
test and a maximum of yellowness index of 23 after the 72-hour QUV test, when tested in accordance with ASTM D 1925.
1048.20.2 3.1.6 Color. The finished white color shall be free from tint, furnishing good opacity and visibility
under both daylight and artificial light. The finished yellow color shall closely match Federal Test Standard 595 - Color Chip Number 33538.
1048.20.2 3.1.7 Qualification. In addition to the requirements of Sec 1048.1.1, the material shall have been
field tested at AASHTO Product Evaluation and Audit Solutions test decks in a northern, wet climate region for a minimum of six months. The maintained retroflectivity and durability shall be in accordance with the following requirements after being installed on at least one AASHTO Product Evaluation and Audit Solutions test deck for a minimum of six months, including December, January and February.
1048.20.2 3.1.8 Maintained Retroreflectivity. Photometric quantity to be measured will be the coefficient of
retroreflective luminance (RL) in accordance with ASTM E 1743 for 15-meter geometry or ASTM E 1710 for 30-meter geometry. The average RL for concrete and asphalt surfaces shall be expressed in millicandelas per square meter per lux and shall be at least 125 for 15-meter geometry or 100 for 30-meter geometry, when measured in the wheel path area.
1048.20.2 3.1.9 Durability. Paint shall have a durability rating of at least 5 for both concrete and asphalt
surfaces when tested in the wheel path area of the AASHTO Product Evaluation and Audit Solutions test deck.
1048.20.2 3.1.10 Packaging. The manufacturer's name and address, product name, color, manufacturing date,
date of expiration of the material. In addition to the requirements of Sec 1048.1.1, the certification supplied by the manufacturer shall include reference to the specific AASHTO Product Evaluation and Audit Solutions test deck to which the product was applied, including AASHTO Product Evaluation and Audit Solutions identification numbers and report numbers.
1048.20.2 3.2 Plural Component Intersection Marking Materials.
1048.20.2 3.2.1 Epoxy Materials.
1048.20.2 3.2.1.1 General. Epoxy Materials used for intersection markings shall be in accordance with Sec
1048.20.2 1.1.
1048.20.2 3.2.2 Polyurea Materials.
1048.20.2 3.2.2.1 General. Polyurea Materials used for intersection markings shall be in accordance with Sec
1048.20.2 1.2.
1048.20.2 3.3 Cold Applied Tape Intersection Marking Material.
1048.20.2 3.3.1 General. Cold Applied Tape Materials used for intersection markings shall be in accordance
with Sec 1048.20.2.2.1. SECTION 1048.30 DROP-ON GLASS BEADS.
1048.30.1 General. When tested in accordance with MoDOT Test Method TM 70 for water resistance, the
beads shall show no readily discernible dulling and the amount of 0.1 normal hydrochloric acid needed to titrate the filtrate shall not exceed 4.5 mL. When tested in accordance with MoDOT Test Method TM 70 for calcium chloride and sodium sulfide resistance, the beads shall show no readily discernible darkening or dulling.
1048.30.2 Type P Drop-On Glass Beads. Type P beads shall be manufactured from glass of a composition that
is highly resistant to traffic wear and to the effects of weathering. If coating is required to meet the performance requirements for the specific marking material used, the beads shall be coated to ensure satisfactory embedment and adhesion.
1048.30.2 1 Refractive Index. Type P beads shall have a minimum refractive index of 1.51 when tested in
accordance with AASHTO M 247.
1048.30.2 2 Roundness. All Type P beads passing the No. 30 sieve shall have a minimum of 75 percent true
spheres when tested in accordance with ASTM D 1155 or AASHTO PP-74. All Type P beads retained on the No. 20 and No. 30 sieves shall have a minimum of 80 percent true spheres as determined by ASTM D 1155 or AASHTO PP-74.
1048.30.2 3 Gradation. Type P beads shall meet the following gradation requirements when tested in
accordance with ASTM D 1214.
U.S. Standard Sieve No. Percent Retained 20 3-10 30 15-35 50 45-75 70 0-10 Pan 0-5
1048.30.3 Type L Drop-On Glass Beads. Type L beads shall be embedment coated and manufactured from
glass of a composition that is highly resistant to traffic wear and to the effects of weathering. The beads shall be in accordance with AASHTO M 247, Type 1, except as follows.
1048.30.3 1 Coating. The beads shall be coated to ensure satisfactory embedment and adhesion when applied to
uncured traffic marking material. The coating shall be tested in accordance with MoDOT Test Method TM 70.
1048.30.3 2 Roundness. Type L beads shall have a minimum of 80 percent rounds per screen for the two
highest sieve quantities, and no more than 3 percent angular particles per screen, as determined by ASTM D 1155 or AASHTO PP-74. The remaining sieve fractions shall be determined by ASTM D 1155 or AASHTO PP- 74to be no less than 65 percent rounds.
1048.30.3 3 Gradation. Type L beads shall meet the following gradation requirements when tested in
accordance with ASTM D 1214: Type L Bead Gradation Requirements Sieve Size Percent Passing No. 12 100 No. 14 95 - 100 No. 16 80 - 95 No. 18 10 - 40 No. 20 0 - 5 No. 25 0 - 2
1048.30.4 Type 1 Drop-On Glass Beads. Type 1 beads shall be moisture-resistant and manufactured from glass
of a composition that is highly resistant to traffic wear and to the effects of weathering. Glass beads shall be in accordance with AASHTO M 247, Type 1.
Referenced in this section
Pavement Marking Material in other states
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Source: Missouri Standard Specifications for Highway Construction, 2026 (Oct) Edition. Pages 675–686 of 874. View official source ↗