WSDOT - Roadside Safety Design

WSDOT publishes roadside safety design, including design for traffic barriers, impact attenuators, and rumble strips. State roadside safety policies are covered in Division 16 of the Design Manual.

Chapter 1600, Roadside Safety
This chapter addresses the area outside of the roadway and is an important component of total highway design. Guidance on roadside safety issues is presented in this chapter.
Chapter 1610, Traffic Barriers
This chapter includes traffic barriers, terminals and transitions that are approved for use by WSDOT.
Chapter 1620, Impact Attenuators
This chapter describes the impact attenuators that are approved for use by WSDOT.

Traffic Barrier Systems
Impact Attenuators
Rumble Strips
Evaluation of Undivided Highways for Shoulder Rumble Strips
Standard Plans:
M-60.10 and M-60.20

Design

Other Design Sites

Roadside Safety Contact

Roadside Safety Design

Design Manual

Safety Elements