Traffic in

Accidents, roadworks and closures — updated in real time.

CO-119 — Traffic Sign Maintenance

Between Jay Road (near Gunbarrel) and 55th Street (near Boulder) from Mile Point 46.3 to Mile Point 46.5. Right shoulder closed due to traffic sign maintenance. Starting today at 8:00PM MDT until tomorrow at about 1:00AM MDT. Full schedule below: • September 15, 8:00PM - September 16, 1:00AM

RoadworksMinor

CO-157 — Guardrail

Between Pearl Parkway and CO 119 (near Boulder) from Mile Point 2.92 to Mile Point 4.1. Right lane closed due to guardrail repair. Starting today at 7:00PM MDT until tomorrow at about 7:00AM MDT. Full schedule below: • September 15, 7:00PM - September 16, 7:00AM Comment: Intermittent single-lane closures

RoadworksModerate

5TH ST — Road Construction

Between Alpine Street and Pace Street (near Longmont) at Mile Point 0.1. The right lane is closed due to road construction. Until September 21, 2026 at about 7:00AM MDT. Full schedule below: • September 10, 7:01AM - September 21, 7:00AM

RoadworksSevere

4TH ST — Road Construction

Between Autumn Ridge Boulevard and 104th Street (near Louisville) from Mile Point 1.11 to Mile Point 1.04. Road closed expect delays due to road construction. Until September 21, 2026 at about 7:00AM MDT. Full schedule below: • September 9, 7:01AM - September 21, 7:00AM Comment: 4TH ST CLOSED TO THROUGH TRAFFIC BETWEEN PITKIN AND SOUTH AVE

...