May 27, 2014 - Metro Denver Colorado/CDOT Region 1 - Closures Begin Tuesday, May 27

SUPERIOR/LOUISVILLE – As part of the US 36 Express Lanes Project, the Colorado Department of Transportation (CDOT) will close eastbound and westbound US 36 nightly starting on Tuesday, May 27. The closure will take place for a quarter of a mile on each side of the McCaslin Boulevard bridge from 10 p.m.-5:30 a.m. nightly until the work is complete – for an estimated 12 nights.

“It’s necessary for us to close US 36 to begin the demolition of the northbound section of the McCaslin Boulevard bridge,” said CDOT Project Direct Mark Gosselin. “The work is part of Phase 2 of the project, which will widen the existing McCaslin Boulevard bridge to accommodate the Diverging Diamond Interchange.”

Traffic will be detoured at the US 36 off-ramps to McCaslin Boulevard and routed immediately back onto US 36 via the on-ramps. A map of the detour is attached.

Following this partial demolition of the McCaslin Boulevard bridge, crews will construct the abutments and build the center pier. After that, crews will set the girders and pour the concrete bridge deck.

In addition, the full closure of US 36 in both directions between Interlocken Loop and McCaslin Blvd that was postponed last week due to severe weather is set for tonight from 11 p.m. to 5:30 a.m.

This work is necessary in order to pour the deck of the bikeway/utility bridge. Separate eastbound and westbound detour routes will be in place (see below) to direct traffic around and back onto the highway.

The US 36 Express Lanes Project is a multi-modal project that will build an express lane in each direction on US 36. The lanes will accommodate High Occupancy Vehicles (HOV), Bus Rapid Transit and tolled Single Occupancy Vehicles. In addition, the project will replace several bridges, build a commuter bikeway, add Bus Rapid Transit improvements, and install Intelligent Transportation Systems (ITS) for tolling, transit and traveler information, and incident management. Phase 1 is currently under construction from Federal Boulevard to 88th Street in Louisville/Superior and will open to the public in 2015. Phase 2 from 88th Street to Table Mesa Drive in Broomfield recently began construction and will open in 2016.

For more information about the project, please visit or our mobile website at To receive free email updates during the project, click on the cell phone icon in the upper right corner. You can then subscribe to a variety of lists including “US 36 Express Lanes Project.”