US 36 Express Lanes: Increasing Efficiency of All Lanes

US 36 Express Lanes

Cruise past traffic in the US 36 Express Lanes for free! By traveling with three or more people in a single vehicle you are eligible to drive in the Express Lanes for free with the Switchable HOV Pass.

Those who use Carpools and/or vanpools, and are interested in this travel option are required to have an ExpressToll account and Switchable HOV Pass (this device is also referred to as a transponder).

Switchable HOV Pass

switchable HOV pass

Start traveling in the US 36 Express Lanes for free by visiting to create your ExpressToll account. Once your account is set-up, the Switchable HOV Pass will be mailed to you in 3-5 business days.

The Switchable HOV Pass allows vehicles with three or more passengers to travel on the US 36 and I-25 Express Lanes for free. When using the HOV Pass as a carpooler, make sure to slide the switch the red ‘HOV’ position so you are not charged a toll.

Learn more about the Switchable HOV Pass and traveling in the US 36 Express Lanes by contacting customer service at

More Information About ExpressToll Services

ExpressToll Service Center
22470 E. 6th Parkway, Suite 110, Aurora, CO 80018

Phone: 303-537-3470 or 888-946-3470
Fax: 303-537-3404

Hours of Operation
Walk-up: Closed till further notice due to COVID-19
Call Center: Monday – Friday, 8 a.m. to 5 p.m.


US 36 Express Lanes HPTE Webpage
Northwest Metro Region Commuter Guide
2018 HPTE Annual Report 
Northwest Parkway Tolls Information

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