The Sheridan Underpass – also known as the Sheridan Boulevard Multimodal Transportation Improvement (MTI) Project – is a federal-aid transportation project with oversight from the Colorado Department of Transportation (CDOT). It provides improvements for all modes of transportation through this highly utilized corridor.

Underpass Image_color_modified637725969992582846


Project Includes

  • Installation of a pre-cast concrete arch underpass (42' wide by 14' tall)
  • A new U.S. 36 bikeway underpass connecting Downtown Westminster to the RTD U.S. 36 & Sheridan Station parking lot near Sheridan Boulevard and 88th Avenue 
  • New traffic signals at the West 88th Avenue and Sheridan Boulevard intersection
  • Widening Sheridan Boulevard to a six-lane facility, from Turnpike Drive to West 88th Place
  • Patterned concrete medians
  • Street and pedestrian lights
  • ADA ramps
  • Storm sewer drainage improvements

Multiple projects have created traffic impacts at Sheridan Boulevard and West 88th Avenue over the past few years. The Sheridan Boulevard MTI project will work to mitigate traffic impacts as much as possible.

Timeline

Construction began in November 2021 and is expected to be completed in 2023. 


Schedule And Traffic Impacts

Anticipated construction activities and traffic impacts for the week of March 27, 2023 include:

  • All through lanes on Sheridan Blvd. are now open during daytime hours
  • The contractor will continue finalizing improvements at the underpass
  • The contractor will continue underground electrical work for new streetlights

Anticipated construction activities and traffic impacts for the week of April 3, 2023 include:

  • All through lanes on Sheridan Blvd. are open during daytime hours
  • The contractor will continue finalizing improvements at the underpass, including placing patterned concrete, installing architectural finish on walls, and installing concrete barrier.
  • The contractor will continue underground electrical work for new streetlights.

All public inquiries should be referred to the project hotline (303-219-9033) or email (sheridan-underpass@workzone.info).

All work is weather-dependent, and the schedule is subject to change. All the latest information is available at cotrip.org.


U.S. 36 Bikeway Detour

The U.S. 36 Bikeway is currently closed between West 92nd Avenue and West 88th Avenue to accommodate construction. A local detour is in place for the duration of construction through early 2023. View the detour. 

Map of new bikeway underpass

 

 

 

 

 

 

 

Funding

The City of Westminster applied for and accepted $5.6 million in Denver Regional Council of Governments (DRCOG) and state grant funding and an additional $1 million in CDOT contribution for the Sheridan Boulevard MTI project. The total project cost is estimated to be $12 million.


Contact Information

The project has set up the following resources allowing the public to communicate with the project team:

Text: SHERIDAN to 21000 for travel alerts

Email: sheridan-underpass@workzone.info

Hotline: (303) 219-9033

photo credit

Christopher Chase Edmunds