Help Me With...

Select from list
My Residential Property
My Driver's License or Vehicle Registration
Requesting Assistance
Getting Outdoors
Health Department


Select from list
My Property Valuation
Understanding My Valuation
Paying My Property Tax
Neighborhood Sales
Building Permits
Vehicle Registration - New Stickers
Vehicle Registration - New Vehicle
Drivers License - New or Renew
New Resident Vehicle Registration
Adult Protection
Child Welfare
Child Support
Child Care
Financial Assistance
Medical Assistance
Food Assistance
Decode Douglas County
Open Space Special Event Permits
Open Space Properties and Trails
Park Reservations
Parks and Trails
Register to Vote / Update Voter Registration
Upcoming Election Information
Ballot Drop Box Locations
Voter Service and Polling Centers
Birth Certificates
Death Certificates
Environmental Health
Household Waste Management


× Close


I-25 Gap Express Lanes Opening Friday, December 10

Information courtesy of the Colorado Department of Transportation

Posted on December 9, 2021 2021Transportation


DOUGLAS/EL PASO COUNTIES –  Drivers will be able to use the new Express Lanes on the I-25 South Gap project by 8 a.m. on Friday, Dec. 10.  There is one new Express Lane in each direction on I-25 between Castle Rock and Monument.  Tolls are currently being waived as the project opened the lanes far ahead of schedule.

“Opening the Express Lanes early improves safety and travel reliability on the I-25 South Gap corridor,” said Colorado Department of Transportation Executive Director Shoshana Lew. “Commuters will have reliable travel times over the long-term, and experience a vastly improved stretch of I-25 between Monument and Castle Rock. Whether commuting to work or traveling the state, drivers will reach their destinations quicker and safer. We are thrilled to open the Express Lanes a year ahead of schedule and within budget.”

While improvements were made throughout the entire 18-mile I-25 South Gap project corridor, the Express Lanes will span 14 miles on northbound I-25 and 15 miles on southbound I-25. Motorists can use these lanes when they open to the public on Friday, Dec. 10. Following the opening of these lanes, the Colorado State Patrol will have increased enforcement from Castle Rock and Monument.

The Express Lanes are designed to provide drivers a reliable trip while relieving traffic for all roadway users. Statewide studies show that on CDOT’s Express Lanes corridors, travelers in all lanes (including the regular lanes) see time savings of anywhere from 20-50%.

Using the Express Lanes safely
During the testing period, before tolling is in place, drivers are encouraged to use the Express Lanes free of charge, and can enter through the dashed white  lines northbound two miles north of County Line Road and at Larkspur, or southbound just south of Castle Rock and Larkspur. Tolls will be temporarily waived during this time to ensure system and technological performance. When using the lanes, drivers are reminded to not cross the solid white lines; enter and exit at the designated areas only, shown with a white dotted line; and obey posted speed limits. The Express Lanes cannot be used to pass slower moving vehicles.  During a snowstorm, it is possible there will be safety closures including the Express Lanes.

Remaining construction work
While much of the construction is complete including the Express Lanes, wider shoulders,  five reconstructed bridges, four wildlife crossings, new pavement and enhanced technology, other work remains to be done. Through the spring and summer of 2022, crews will finish the remaining permanent paving and striping operations near Larkspur, tolling infrastructure and other minor construction activities to reach project completion.  Motorists should expect various overnight lane closures, including the Express Lanes, while the last of the construction wraps up. The project is scheduled to be completely finished by November 2022.

Media staging area for live shots or to get video
To get footage of motorists using the Express Lanes on Friday, Dec. 10, please use this Google Maps pin or follow the directions below for access to the southbound I-25 chain-up station near Larkspur.  Please be mindful of weather conditions.

From Denver:

From Colorado Springs:

For more information

About CDOT 
CDOT has approximately 3,000 employees located at its Denver headquarters and in regional offices throughout Colorado and manages more than 23,000 lane miles of highway and 3,429 bridges. CDOT also manages grant partnerships with a range of other agencies, including metropolitan planning organizations, local governments, and airports. It also administers Bustang, the state-owned and operated interregional express service. Gov. Polis has charged CDOT to further build on the state’s intermodal mobility options.

Your County. Your News. Get it first.

Be among the first to receive news as it happens. Sign up here and select your specific news focus and delivery preferences and make sure to follow Douglas County on Nextdoor, Facebook, Twitter, Instagram, and YouTube. Visit the Live Town Hall page to sign-up and receive Town Hall notifications to ensure you are contacted to participate in future community conversations about topics important to you.

Sign Up Now!