ITEM 618 RUMBLE STRIPS
618.01 Description. This work consists of grinding depressions longitudinally in paved
shoulders (rumble strips), at locations shared by edge lines or center lines (rumble stripes), or cutting grooves transversely across lanes (transverse rumble strips). Construct longitudinal rumble strips according to the standard construction drawings RD-9.1 (Shoulder Rumble Strips) or TC-64.10 (Rumble Stripes), and transverse rumble strips according to standard construction drawing RD-9.2 (Transverse Rumble Strips).
618.02 Construction.
A.General. Equip the cutting tool with guides or a guidance system, clearly visible to the operator, to provide for consistent alignment. Take effective measures to control dust during the grinding operation. Remove and dispose of all grinding materials deposited on the roadway pavement in a manner approved by the Engineer and before opening the roadway to traffic.
B.Longitudinal Rumble Strips. Furnish equipment with a rotary cutting head that will grind the depressions to the required dimensions. Equip the cutting head with a pattern of cutting tips to produce a smooth cut with approximately 0.06 inches between peaks and valleys. Ensure that th e cutting head is on its own suspension system, independent from that of the power unit, to allow the head to align itself with the slope of the shoulder or any irregularities in the shoulder surface.
C.Transverse Rumble Strips . Use equipment to install Transverse Rumble Strips to the requirements of the plans and specifications without damaging surrounding pavement, pavement markings, or other project features.
618.03 Method of Measurement. The Department will measure longitudinal rumble strips by
the number of feet or miles as the sum of the lengths of the individual segments. The Department will measure lengths along the inside edge of the shoulder, edge line or center line, from the center of the first depression in a segment to the center of the last depression in that segment. If longitudinal rumble strips are provided on more than location, the Department will measure lengths separately for each shoulder, center line or edge line segment and add the individual lengths together to obtain the total length for the shoulder, center line or edge line. The Department will measure transverse rumble strips by the number of each for one pad consisting of fifteen parallel 4-inch grooves cut at 1-foot intervals.
618.04 Basis of Payment. The Department will not pay for repairing surface damage and
extraneous marks caused by the Contractor’s operations. The Department will pay for longitudinal pavement marking material in accordance with Item 641. The Department will pay for accepted quantities at the contract prices as follows: Item Unit Description 618 Feet Rumble Strips, Shoulder (Asphalt Concrete) 618 Mile Rumble Strips, Shoulder (Asphalt Concrete) 618 Feet Rumble Strips, Shoulder (Concrete) 618 Mile Rumble Strips, Shoulder (Concrete) 618 Feet Rumble Stripes, Edge line (Asphalt Concrete) 618 Mile Rumble Stripes, Edge line (Asphalt Concrete) 618 Feet Rumble Stripes, Edge line (Concrete) 618 Mile Rumble Stripes, Edge line (Concrete) 618 Feet Rumble Stripes, Center line (Asphalt Concrete) 618 Mile Rumble Stripes, Center line (Asphalt Concrete) 618 Feet Rumble Stripes, Center line (Concrete) 618 Mile Rumble Stripes, Center line (Concrete) 618 Each Rumble Strips, Transverse (Asphalt Concrete) 618 Each Rumble Strips, Transverse (Concrete)
Referenced in this section
Rumble Strips in other states
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Source: Construction and Material Specifications, 2023 (rev. 7/17/2026) Edition. Pages 521–523 of 892. View official source ↗