CO 7 (Arapahoe Avenue) and 48th Street intersection closure in Boulder this weekend

Travel Advisory

Boulder County - The south intersection will be closed at Colorado Highway 7 (Arapahoe Avenue) and 48th Street from 5 p.m. Friday, Sept. 12, through 5 a.m. Monday, Sept. 15, for milling and paving work. Access to South 48th Street will be closed, with a detour provided to maintain access. This configuration will remain in place for the duration of the weekend.

Crews will perform reclamation work, removing the existing asphalt and reconditioning base materials to create a stronger foundation, followed by a new asphalt overlay to improve smoothness and safety for drivers. This work is part of an ongoing project to improve roadway conditions and extend pavement life. Please plan ahead and use caution near the work zone.

Travel Impacts

• Access to South 48th Street will be closed over the weekend
• Detour from CO 7
  • Travel south on Eisenhower Drive to connect with 48th Street
• Detour from 48th Street
  • Travel east on Eisenhower Drive to connect with CO 7
• Sidewalks and bus stops will be closed on the eastbound side of the roadway
• Detour signs will be posted for pedestrians
• Motorists should follow posted detour signs
• Business access will remain open
• The speed limit will be reduced to 35 MPH throughout the work zone
• Please be aware of construction vehicles entering and exiting the work area
• For current road conditions, visit COtrip.org

Project Contact Information

For additional information about this project, contact the project team.

• Project website: codot.gov/projects/co7resurfacingboulder
• Project hotline: 303-802-2566
• Project email: [email protected]

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:

• Road conditions and travel information: COtrip.org
• Download the COtrip Planner app: bit.ly/COtripapp
• Sign up for project or travel alerts: bit.ly/COnewsalerts
• Check scheduled construction lane closures: bit.ly/laneclosures
• Connect with @ColoradoDOT on social media: X, Facebook, Instagram and YouTube

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!