Standard Plans
Publication URL
Publication Number
M 21-01
Manual Manager
Bill Berens, 360-705-7256
Originator
Design Office, Engineering and Regional Operations Division
The manual contains standard engineering drawings used for road, bridge, and municipal construction.
Traction tires are a special type of tire
manufactured with at least 1/8 of an inch tread. Traction tires are usually marked with a mountain/snowflake symbol, the letters M+S or “All Season.”
Carry chains, practice before leaving
Requiring chains keeps traffic moving during storms rather than closing a pass or roadway.
Prep your car. Fill up your gas tank,
pack jumper cables, ice scraper, warm clothing, snacks and water.