US 36 Express Lanes

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The US 36 Express Lanes connect Boulder to Denver at I-25—specifically from Federal Boulevard in Westminster to Table Mesa Drive in Boulder. There is an Express Lane in each direction, alongside general-purpose lanes. The US 36 Express Lanes connect to the reversible I-25 Central Express Lanes between US 36 and downtown Denver.

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How to Use the Express lanes

Drivers can carpool, pay a toll or use the 18-mile commuter bikeway between Denver and Boulder.

I travel in a:

 

 

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Pay a toll, either as a solo driver, or as a driver and one passenger.

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HOV/Carpoolers must have an ExpressToll account and Switchable HOV transponder, as well as a driver, plus two or more passengers, to use the Express Lanes for free.

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Motorcyclists can use the Express Lanes for free without a pass.

Bus

The Express Lanes accommodate Bus Rapid Transit (BRT).

Corridor Basics

  • 16 miles of Express Lanes
  • 18-mile commuter bikeway
  • 18 miles of Flatiron Flyer Bus Rapid Transit Service
  • 7 toll collection points
  • Adjustable toll pricing system price depending on the time of day
  • Overhead signage indicates current toll prices. Tolls are collected through ExpressToll account or through License Plate Toll.