Roadway delineation / Pavement markings - PM
These drawings provide the necessary details to install pavement markings.
Local Crosswalk Options (PM-2)
This plan depicts crosswalk patterns used by a number of cities in Washington State. These are commonly referred to as "Transverse", "Zebra", and "Diagonal" marked crosswalks.
The Transverse pattern (two parallel lines) is used to define the edges of a crosswalk and is constructed with colored or textured paving materials.
The Zebra pattern is a modification of the Longitudinal Crosswalk marking and is reported to have a positive visual impact on motorists. The pattern requires less pavement marking material than the two-foot wide Longitudinal Crosswalk pattern.
The Diagonal pattern provides a highly visible marking that clearly defines the limits of the crosswalk. The pattern, however, cannot be oriented to avoid vehicular wheel paths and pronounced wear can be expected in high traffic volume areas
All three patterns are noted in the U.S. DOT Manual on uniform Traffic control Devices and the AASHTO Guide for the Planning, Design, and Operation of Pedestrian Facilities; however, the Longitudinal Crosswalk marking pattern shown on Standard Plan M-15.10 (PDF 97KB) is used on state highways where the pavement markings are maintained by the Washington State Department of Transportation, and is suitable for all other locations as well.
Roundabout Traffic Arrows (PM-3)
This plan provides details for specialized roundabout (commonly referred to as “fish hook”) arrows.
Note: These details are not to be used for WSDOT pavement markings, as WSDOT no longer uses “fish hook” style arrows for roundabouts – standard pavement marking arrows are used instead (see Standard Plan M-24.40). These details are provided for the convenience of other agencies that choose to continue to use the “fish hook” style arrows, and are no longer updated or maintained by WSDOT.
HOV Direct Access New Staggered Arrowhead (PM-4)
These drawings provide the necessary details to install pavement markings of directional traffic arrows for the HOV Direct Access Ramp New Staggered Arrowhead.
These plans were prompted by the need to better assist drivers in making decisions that may help reduce the risk of wrong-way turning occurrences.
View HOV Direct Access New Staggered Arrowhead plan sheet (PDF 50KB)
Download the HOV Direct Access New Staggered Arrowhead WinZip file (ZIP 61KB)
(WinZip file contains the following file formats: .dgn, .dwg, and .doc files)
Gore Area Marking Layout Substitution with Type 1 & 2 RPMs (PM-5)
This plan shows the installation requirements for gore area markings substituted with Type 1 & 2 RPMs.
This detail was formerly offered as part of Standard Plan M-2.20. Due to infrequency of use, it has since been removed and is now offered as a Plan Sheet Library detail for discretionary use by Regional Offices and Local Agencies.
View Gore Area Marking Layout Substitution with Type 1 & 2 RPMs plan sheet (PDF 141KB)
Download the Gore Area Marking Layout Substitution with Type 1 & 2 RPMs WinZip file (ZIP 279KB)
(WinZip file contains the following file formats: .dgn, .dwg files)
Shoulder Rumble Stripes (PM-7)
Shoulder rumble stripes are placed immediately under the shoulder delineation paint, with any excess width milled or placed out toward the shoulder. Shoulder Rumble Stripes are only installed where there is insufficient space to install shoulder Rumble strips per one of the Standard configurations. See Design Manual, chapter 1600(1)(b)(ii).
Sinusoidal Rumble Strips (PM-8)
This page was designed to illustrate the use of Sinusoidal Rumble Strips.
Sinusoidal rumble strip grooves are milled in a continuous pattern longitudinal to the direction of travel, and are intended to alert inattentive drivers to a potential lane departure. A sinusiodal pattern can be used when a low noise design is desired. See Design Manual, chapter 1600.05(1).
For information regarding Sinusoidal rumble strips contact John Donahue.