I-25 Express Lanes | US 36 to E-470/Northwest Parkway

I-25 North Express Lanes: 120th Avneue to Northwest Parkway/E-470



The I-25 Express Lanes are currently open between US 36 and E-470/ Northwest Parkway, running one lane in each direction, alongside general purpose lanes. The I-25 Express Lanes connect to the reversible I-25 Central Express Lanes between US 36 and downtown Denver.

How to Use the Express Lane 

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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HOV3+ users must have an ExpressToll account, a Switchable HOV transponder set to “HOV” mode, and three or more people in the vehicle to use the Express Lanes for free.


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


Bus and other transit can travel in the Express Lanes.

Corridor Basics

  • Lanes are open 24/7
  • 5 miles of Express Lanes from US 36 to 120th Avenue.
  • The lanes connect to the I-25 Central Express Lanes.
  • Motorcyclists can use the Express Lanes for free without a pass. All other vehicles are tolled.
  • HOV 3+ and bus services are available with a switchable HOV transponder.
  • Adjustable toll pricing system used – prices depend on the time of day.
  • Overhead signs indicate current toll prices. Tolls are collected through the vehicle’s ExpressToll account or a License Plate Toll
  • Safety Enforcement Program in effect. Sophisticated roadside technology is used to enforce the following rule:
    • No weaving across double solid white lines.