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Updates for I-25 North Express Lanes

Construction impacts for the week of July 9, 2023
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NEWS RELEASE
COLORADO DEPARTMENT OF TRANSPORTATION
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Berthoud to Johnstown

Sunday and Monday, 9 p.m. to 5 a.m., there will be various northbound and southbound I-25 right and left lane closures at Colorado Highway 60 (from Weld County Road 46 to Larimer County Road 14) for a traffic shift, along with a full closure of the northbound I-25 on- and off-ramps at CO 60. Please follow posted detour signs:

  • Traffic exiting northbound I-25 will continue north to Colorado Highway 402, turn around and travel south to CO 60.
  • Traffic entering northbound I-25 will travel east on CO 60 to Colorado Boulevard, turn north and continue to LCR 14, turn west and travel to the southeast Frontage Road, continue to CO 402, turn west and enter I-25.

Wednesday at 7 a.m. through July 18 at 5 p.m., there will be a full closure of Larimer County Road 14 under the I-25 bridge. This will allow crews to safely place new roadway asphalt and pour new curbs where needed. Please follow posted detour signs:

  • Westbound LCR 14 traffic will take the eastern Frontage Road north to Larimer County Road 16, turn left and take County Road 7 south and continue westbound on LCR 14.
  • Eastbound LCR 14 traffic will take CR 7 north to LCR 16, turn right and take the eastern Frontage Road south and continue eastbound on LCR 14. 

Full Closure: LCR 16 Under I-25
The following full closures will be in place through July 11:

  • Eastbound and westbound Larimer County Road 16 under I-25
  • Southbound I-25 off-ramp to at exit 254

These closures are required for crews to complete the construction of the new roadway, improved ramps and a new roundabout. Access to local businesses will be maintained. Please follow posted detour signs.

  • Southbound I-25 traffic to eastbound LCR 16 will continue south to Colorado Highway 60, re-enter I-25 northbound to LCR 16, turn north on the SE Frontage Road and turn east onto LCR 16.
  • Southbound I-25 traffic to westbound LCR 16 will exit at Colorado Highway 402, turn west onto CO 402, turn south onto County Road 7, and turn west onto LCR 16.
  • Eastbound LCR 16 traffic to I-25 will travel south on CR 7, turn east onto CO 60 and enter I-25.
  • Eastbound LCR 16 traffic will travel south on CR 7, turn east onto Larimer County Road 14, turn north onto the SE Frontage Road and turn east onto LCR 16.
  • Westbound LCR 16 traffic will travel south on the SE Frontage Road, turn west onto LCR 14, turn north onto CR 7, and turn west onto LCR 16.

Due to weather impacts, the full closure of the Western Frontage Road (County Road 5), south of LCR 16, will now be in place through the beginning of August.


map

Detour map showing alternate travel routes around the Larimer County Road 16 closure. 

Johnstown to Fort Collins

To perform asphalt paving and lane striping operations on US Highway 34, alternating double right and double left lane closures will take place on US 34 between Fall River Road and Larimer Parkway and intermittent full closures of the I-25 ramps to and from US 34 will take place nightly, 8 p.m. to 5 a.m., July 9-14.

  • Southbound I-25 on-ramp traffic will go north on I-25 to Exit 259/ Crossroads Boulevard and turn left. Continue west to the southbound I-25 on-ramp.
  • Northbound I-25 on-ramp traffic will go south on I-25 to Exit 255 / Colorado Highway 402, turn left and continue onto northbound I-25.
  • Southbound I-25 off-ramp traffic will continue south on I-25 to Exit 255/ CO 402 and turn left. Continue east to the northbound I-25 on-ramp to Exit 257/US 34.
  • Northbound I-25 off-ramp traffic will continue north on I-25 to Exit 259/Crossroads Boulevard. Traffic will exit, turn left, and continue onto southbound I-25 to Exit 257 / US 34.


To shift traffic and open new work areas, full closures of the northbound I-25 on-ramp from Prospect Road will take place from:

  • 9 p.m., Wednesday, July 12 until 5:30am, Thursday, July 13
  • 9 p.m., Thursday, July 13 until 5:30am, Friday, July 14

Northbound I-25 on-ramp traffic from Prospect Road will go south on I-25 to Exit 265/Harmony Road and turn left. Continue back onto northbound I-25.


 

Firestone Mobility Hub

Daytime work, Monday - Friday, 7 a.m. - 6 p.m. 

Southbound I-25

  •  Southbound traffic will be shifted into the median into the summer months. Trucks may be entering or leaving the work zone. No lane changing in work zone - use caution.

The speed limit for SB I-25 is 55 MPH through the active work zone. The speed limit for NB I-25 has been temporarily increased to 65 MPH until further notice to ease congestion.
  SB W. Frontage Rd./I-25 On-Ramp at Exit 240

  • Left lane is closed 24/7 through August 2023
  • Construction crews will be working behind the barrier on the left shoulder
  • Flaggers will assist motorists through the construction work zone
  • CAUTION - Trucks will be entering and exiting from the work zone

Northbound East I-25 Frontage Road

  • Right shoulder closure 
    • Construction crews will be working behind the cones/drums, prepping curb and gutter-Please use CAUTION
    • Trucks entering and exiting the dirt lot west of Frontage Road

Flaggers will assist motorists through the construction  

Additional Information

For specific lane closures and traffic impacts from Sunday, July 2 - Saturday, July 8, please use this interactive map on the project webpage. To display full details on the traffic impacts, please click on any of the color-shaded areas on the map to see the full details. A pop-up on the left side of your screen will outline the details of the lane closures.

Construction activities are weather-dependent and subject to change. Please watch for construction vehicles entering and exiting mainline I-25 and obey all posted signage in construction zones. Your safety and the safety of our crews is our highest priority.

The I-25 North Express Lanes Project provides a Courtesy Patrol during commute hours (6 to 9 a.m. and 3:30 to 6:30 p.m.) to assist with disabled vehicles within the Project limits from Johnstown to Fort Collins.

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