General Information about traffic control devices can be found in MUTCD Parts 1, 5A, 7A, 8A, and 9A
Traffic signs provide regulations, warnings, and guidance to the traveling public, including motor vehicles, bicycles, and pedestrians.
Regulatory signs: MUTCD Parts 2B, 5B, 5F, 7B, 8B, and 9B
Warning signs: MUTCD Parts 2C, 5C, 5F, 7B, 8B, and 9B
WSDOT has a ball bank indicator that local agencies may borrow to assist in determining speeds for warning signs.
Contact the Local Agency Traffic Services Specialist.
Guide signs (Conventional Roads):
MUTCD Parts 2D, 5D, and 9B
Guide signs (Freeways and Expressways):
MUTCD Parts 2E, 5D, and 9B
Specific Service signs: MUTCD Part 2J
Tourist-Oriented Directional signs:
MUTCD Part 2K
Recreational and Cultural Interest Area signs: MUTCD Part 2M
Emergency Management signs: MUTCD Part 2N
Emergency Notification signs: MUTCD Part 8B
Temporary traffic control devices guide motor vehicles, bicycles, and pedestrians through roadway construction zones.
Additional information can be found in MUTCD Parts 5G and 6
Also learn about work zone safety and mobility.