Part 1 — General
1.1 Section Includes
A.Crash cushions with concrete pads, and barrier end treatments .
B.C rash cushion and barrier end treatment markers .
1.2 Related Section
A.Section 02890: Retroreflective Sheeting
B.Section 03055 : Portland Cement Concrete
1.3 References
A.UDOT Guidelines for Crash Cushions and Barrier End Treatments
1.4 DEFINITIONS Not Used
1.5 Submittals
A.Manufacturer certified installer certification for information .
B.L etter of certification for each system and each location affirming it is installed according to Department’s and the manufacturer’s specifications , for information.
1.Use Form C -112 available on the Department’s W eb site. Refer to http://www.udot.utah.gov/go/standardsreferences /.
C.S hop and installation drawings for each system type installed .
1.6 CERTIFIED INSTALLER A. Use manufacturer certified installer to perform the installation.
Part 2 — Products
2.1 Crash Cushions and Barrier End Treatments
A.Select from the approved products list within the UDOT Guidelines for Crash Cushions and Barrier End Treatments.
1.Refer to the UDOT Guidelines for Crash Cushions and Barrier End Treatments , for specific uses and requirements for each approved system type. Refer to http://www.udot.utah.gov/go/standardsreferences .
2.Refer to CC Series Standard Drawings for crash cushion or end treatment grading and marker requirements.
B.Crash Cushions
1.Type A , B, and D .
a.Supply system with an adequate width as shown.
b.Include additional fender panels, posts and hardware to gain the required width for hazard protection greater than the manufactured width of a system .
c.Supply system for the required speed according to UDOT Guidelines for Crash Cushions and Barrier End Treatments,
d.Galvanize steel parts a ccording to manufacturer’s requirements.
e.Supply transition element for the approach of opposing traffic when system is installed with bi -directional traffic and the back of system is within the maximum required clear zone. 1) Two transition elements required when system is installed with W -beam median barrier.
f.Supply cr ash cushion markers . Refer to CC S eries Standard Drawings.
2.Type C
a.Galvanize steel parts a ccording to manufacturer’s requirements.
b.Supply double- sided W-beam transition element when system is installed in conjunction with concrete barrier. Refer to BA 4 Series Standard Drawings.
c.Supply crash cushion markers . Refer to CC Series Standard Drawings.
C.Barrier End Treatment s
1.Type G and H
a.Supply post option as described in UDOT Guidelines for Crash Cushion and Barrier End Treatments, edition.
b.Supply system with 12½ ft galvanized W -beam rail elements according to manufacturer’s requirements.
c.Supply manufacturer approved impact head and hardware.
d.Galvanize steel parts according to manufacturer’s requirements.
e.Supply crash cushion markers . Refer to CC Series Standard Drawings.
2.2 Crash Cushion Markers
A.Marker plate and self -adhesive sheeting requirements :
1.Refer to CC Series Standard Drawings.
2.Construct marker plate 18 x 18 inch using 0.032 gauge aluminum with appropriate object marker sheeting.
a.Drill a 7/16 inch hole in each corner of plate.
b.Sheeting – Refer to S ection 02890 . 1) Date placement specified in Section 02890 is not required.
3.Use of self -adhesive sheeting without marker plate. Sheeting – Refer to Section 02890.
a.Date placement specified in Section 02890 is not required.
b.Use appropriate sheeting type for the substrate that sheeting is placed on.
c.Place a minimum of 324 in2, typically 18 x 18 inch, on the approach end of crash cushion or barrier end treatment .
d.Use of manufacturer’s supplied object marker sheeting is acceptable when sheet type and amount meet or exceed requirements
B.Marker post 60 inch long and 2 inch outside diameter OD using black polyethylene material
C.Flexible marker post 36 inch long and 2 1/2 inch outside diameter OD using white or yellow polyethylene material , minimum 0.110 inch tube wall thickness.
2.3 Concrete
A.AA(AE) – Refer to 03055
Part 3 — Execution
3.1 Installation
A.Install crash cushion or barrier end treatment after final grading according to the CC Series Standard Drawings has been verified by Engineer.
1.Construct concrete pad according to system requirements.
a.Crash Cushion Types A, B, and D require concrete pad constructed to manufacturer’s requirements when installed in a permanent application.
b.Crash Cushion Type C and End Treatment Types G, and H. 1) Create block out hole by forming, saw cutting, or other similar method required when installing ground mounted system into asphalt or concrete.
2.Compact backfill material around posts and foundation tubes with mechanical effort to match the density of the surrounding soil.
3.Install marker post. Refer to CC Series Standard Drawings.
a.Close top of marker post.
b.Drill three 7/16 inch mounting holes.
c.Apply three 4 inch bands of yellow sheeting. Refer to Section 02890.
4.Install flexible marker post. Refer to CC Series Standard Drawings.
a.Close top of marker post.
b.Apply two 4 inch bands of yellow sheeting. Refer to Section 02890.
c.Use a mechanical surface mounting system and install according to manufacturer’s requirements. 1) Use a mounting system such that the marker post can be removed and replaced without disturbing the mounting base.
B.Install crash cushion and barrier end treatments according to:
1.CC Series Standard Drawings and UDOT Guidelines for Crash Cushion and Barrier End Treatments.
2.Manufacturer’s specifications and recommendations.
Source: Utah Standard Specifications for Road and Bridge Construction, 2026 Edition. Pages 730–733 of 1,331.