Traveler Impacts

The current and upcoming traveler impacts will be listed here for both road and pedestrian/bicycle trail closures and more.

Eastbound Traffic 10.29.13For weekend lane closures, click here.

Coal Creek Trail Closure June 2014 - September 2015

The Coal Creek Trail is closed between Dillon Road and McCaslin Boulevard through fall 2015, while crews construct a new concrete box culvert. Once the culvert is complete, the existing trail will be reestablished through the western portion of the culvert and reopened to the public. The detour utilizing Dillon Road, 88th Street, South Rock Creek Parkway, and McCaslin Boulevard will keep bicyclists safely outside of the construction zone. The detour can be found here and will be in place and signed appropriately.

US 36 Traffic Impacts for the Week of April 12, 2015

Eastbound and westbound US 36 will be closed between Interlocken Loop and Wadsworth Parkway, April 12-17, 10 p.m.-5:30 a.m., for bridge work on the East Flatiron bridge. Eastbound and westbound traffic will be detoured at Interlocken Loop and Wadsworth Parkway, reconnecting with US 36 via Highway 121 to the on- and off-ramps. See detour below. Signage will be in place to guide the traveling public. RTD buses will follow the designated bus detour route.


As part of this closure, the East Flatiron RTD bus stops will also be closed nightly. During the closure, RTD passengers will be directed to use a temporary location in the RTD Park-n-Ride off of Midway Boulevard. Signage will be in place at the existing bus stop to guide RTD patrons to the temporary stop. To obtain additional information regarding RTD schedule/routing information or impact, contact 303-299-6000 or

Starting at 10 p.m., Friday, April 10, through 5:30 a.m., Monday, April 13, the southbound and northbound on-ramps to westbound US 36 will be closed for paving. RTD buses will be flagged through the construction zone to re-enter westbound US 36 at the southbound Wadsworth Parkway on-ramp.

As the final pieces of concrete are placed on Phase 1 from Federal to 88th Street, expect to see new ramp and roadway alignments throughout the month of April. This week, the following ramps will be tied into the new concrete with the following closures:

  • Westbound US 36 off-ramp to Sheridan Boulevard – Saturday, April 11, 11 p.m.-8 a.m.
  • Westbound US 36 off-ramp to Interlocken – Tuesday, April 14 and Wednesday, April 15, 9 a.m.-3 p.m. (single lane restriction, one lane to remain open during paving operations.)
  • Interlocken on-ramp to westbound US 36 – Thursday, April 16, 9 a.m.-3 p.m. (single lane restriction, one lane to remain open during paving operations.)

Northbound I-25 Express Lanes to Westbound US 36 Closure

The Express Lanes on northbound I-25 to the westbound US 36 flyover will be closed starting at 10 p.m. on Friday, April 10, and will remain closed through 4:45 a.m, Monday, April 13. Express Lanes traffic will follow the detour route to the 70th Avenue ramp. At the ramp, traffic will be detoured to Broadway to re-enter westbound US 36. Both of the general purpose lanes on the westbound US 36 flyover will remain open to all through traffic.

I-25 Express Lanes Closures 58th to 62nd Avenue

On April 12-18, expect intermittent daytime and nighttime closures of the Express Lanes on northbound and southbound I-25, between 58th and 62nd Avenue (approximately ¼ mile north of I-70) for bridge structure work.

Federal to Church Ranch Boulevard

Eastbound US 36 Off-Ramp to Federal Boulevard

The eastbound US 36 off-ramp to Federal Boulevard will be closed April 13 and 14, 7 p.m.-5:30 a.m., for drainage work. Signage will be in place to guide the traveling public.

Eastbound and Westbound US 36 Single Lane Restrictions

Eastbound and westbound US 36 will have intermittent single lane restrictions from Federal to Sheridan  Boulevard on April 13-18 at the following times:

  • Eastbound US 36 – 9 p.m.-5:30 a.m.
  • Westbound US 36 – 10 a.m.-3 p.m. and 9 p.m.-5:30 a.m.

The restrictions are necessary for sign installations, barrier removal and paving. Expect delays in the area if traveling at night. One lane will remain open at all times.

Church Ranch to Wadsworth Parkway

Wadsworth Parkway Ramp Closures

The northbound Wadsworth Parkway loop ramp to westbound US 36, the southbound Wadsworth on-ramp to westbound US 36, and the westbound US 36 off-ramp to Wadsworth will be closed Monday, April 13, 9 p.m.-5:30 a.m., to complete paving. Detours will be clearly marked.

Wadsworth Parkway to 88th Street

Eastbound and Westbound US 36 (Interlocken Loop to McCaslin) Delays

Expect up to 15-minute delays on eastbound and westbound US 36, between Interlocken Loop and McCaslin Boulevard, April 12-18, midnight-4 a.m., for overhead sign installation. Motorists are encouraged to plan ahead and use alternate routes.

US 36 Single Lane Restrictions

Eastbound and westbound US 36, from the 88th Street bridge to Wadsworth Parkway, will have nightly single lane restrictions as needed, April 12-18, 9 p.m.-5:30 a.m. These lane restrictions are necessary for sweeping, striping and sign installation.

88th Street to Foothills Parkway

McCaslin Boulevard and Ramp Restrictions

The McCaslin interchange, including the on- and off-ramps, and McCaslin Boulevard between Dillon and Marshall Road, will have lane restrictions, April 13-18, 8:30 a.m.-3:30 p.m., for paving and striping.   Expect nighttime ramp restrictions at the westbound US 36 off-ramp to northbound McCaslin Boulevard, April 17 and 18, 9 p.m.-5:30 a.m., for the ramp realignment. One lane will remain open in each direction at all times. RTD operations will not be impacted. 

*Planned construction activities are subject to change due to weather and unanticipated schedule changes.

For information on commuting alternatives, please go to

Speed limit reduced from 65 to 55 miles per hour throughout the US 36 Corridor.

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