I-70 Variable Speed Limit Signs in Dowd Canyon Project is complete

Travel Advisory

May 15, 2025 - Northwestern Colorado - 18 new variable speed limit signs along Interstate 70 in Dowd Canyon between Mile Points 169 and 173

Eagle County — The Colorado Department of Transportation, in partnership with Lumin8 Transportation Technologies, has successfully completed the installation of 18 new variable speed limit signs along Interstate 70 in Dowd Canyon, between Mile Points 169 and 173. The newly installed signs are LED electronic versions of traditional speed limit signs. Unlike static signs, they display regulatory and enforceable speed limits in real time, based on current highway conditions.

“This milestone represents a significant advancement in enhancing driver safety and improving traffic flow along one of Colorado’s most heavily traveled mountain corridors,” said Jason Smith, CDOT Regional Transportation Director.

In addition to variable speed limit signs, roadway weather information systems were installed to collect real-time data on factors such as road friction, temperature and visibility. This data supports both speed limit adjustments and more informed decision-making for drivers. Finally, guardrails along this stretch of I-70 were replaced to enhance roadside safety, help prevent vehicles from leaving the roadway and reduce the severity of potential crashes.

Variable speed limit sign installed on I-70 in Dowd Canyon. The sign displays 60 MPH speed limit.
18 variable speed limit signs installed in Dowd Canyon, reducing the risk of crashes and supporting a smoother traffic flow.

Know Before You Go

Travelers are urged to “know before you go.” Gather information about weather forecasts and anticipated travel impacts and current road conditions prior to hitting the road. CDOT resources include:

Remember: Slow For The Cone Zone

The following tips are to help you stay safe while traveling through maintenance and construction work zones.

  • Do not speed in work zones. Obey the posted speed limits.
  • Stay Alert! Expect the unexpected.
  • Watch for workers. Drive with caution.
  • Don't change lanes unnecessarily.
  • Avoid using mobile devices such as phones while driving in work zones.
  • Turn on headlights so that workers and other drivers can see you.
  • Be especially alert at night while driving in work zones.
  • Expect delays, especially during peak travel times.
  • Allow ample space between you and the car in front of you.
  • Anticipate lane shifts and merge when directed to do so.
  • Be patient!

Download the COtrip App!

The new free COtrip Planner mobile app was designed to meet the growing trend of information on mobile and tablet devices for the traveling public. The COtrip Planner app provides statewide, real-time traffic information, and works on mobile devices that operate on the iOS and Android platforms. Visit the Google Play Store (Android devices) or the Apple Store (iOS devices) to download!