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

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 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.