I-25 North Express Lanes: Berthoud to Fort Collins

I-25 North Express Lanes: Johnstown to Fort Collins

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Berthoud to Fort Collins Express Lane Overview

This project included the construction of northbound and southbound Express Lanes with a HOV 3+ option from CO 56 to just past Prospect Road.

The I-25 North Express Lanes opened with tolls waived for testing in December 2023.

How to Use The Express Lane




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Vehicles with one to two people pay a toll to use the Express Lanes with an ExpressToll account or through a License Plate Toll.

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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.

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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 for testing – no tolls.
  • 14 miles of Express Lanes from Berthoud to Fort Collins.
  • 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 will be used – prices will depend on the time of day.
  • Overhead signs will indicate current toll prices. Tolls will be collected through the vehicle’s ExpressToll account or a License Plate Toll.