Projects

Express Lanes

What are Express Lanes?

Express Lanes provide travelers with more reliable, predictable travel times. Anyone can use Express Lanes—a solo driver or a driver with a passenger in a vehicle—by paying a toll. Motorcyclists and drivers with at least two passengers can choose to travel for free.

The addition of an Express Lane on the I-25 corridor does not mean that existing general purpose lanes will be tolled; existing general purpose lanes will continue to be free to use.

To use any Colorado Express Lanes, you will need an ExpressToll account and pass to avoid a higher license plate toll. The Switchable HOV Transponder is the only pass that allows you to choose the carpool option and use the lanes for free if the driver has two or more passengers. A traveler may also use the lane without cost via transit providers like Bustang. Motorists can get a pass by visiting ExpressToll.com

Benefits

  • Reduce delay on Colorado’s most seriously congested corridors.
  • Use toll pricing to manage congestion.
  • Maintain reliable travel times now and in the future.
  • Promote transit and carpooling.

Toll Pricing

Express Lanes help to manage traffic congestion, and toll rates will vary by time of day to provide reliable travel times.

Toll rates are set to provide reliable travel times and are not set to maximize revenue. Toll rates have not yet been set. The toll rates and any rate changes will be approved by CDOT's High Performance Transportation Enterprise Board.

Funding

The U.S. Department of Transportation awarded CDOT and local partners a $15 million TIGER grant to help them fund this $300 million-plus expansion of North I-25. The project is supported by all of the communities and counties served by this corridor who have contributed significant funds for the original project scope, totaling more than $25 million, and as much as $28 million in other additional project scope improvements.

Using traditional funding, this stretch would not have been improved until 2035. With local support and direction from state officials and representatives in D.C., as well as the TIGER grant, the project will be complete by 2021.

By delivering the project to the community earlier than outlined in the CDOT 2040 Long-Range Transportation Plan, the benefits will be implemented 15 years or sooner and at a fraction of the cost.

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