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 .