Preserving our roads & bridges
Learn how we maintain our state's highway system to keep people safe and goods moving 24-hours-a-day, 365-days-a-year.
We oversee the day-to-day needs of maintaining our state's highway system, including:
- 20,679 highway lane miles (includes ramps, collectors and special use lanes).
- More than 3,000 bridges.
- 1,100 traffic signal systems.
- 10 major mountain passes kept open all year.
- Close to 50 safety rest areas.
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.