Traffic Impacts

All work is weather dependent and will be rescheduled if operations cannot be completed.

Construction Activities & Impacts

Work this Week
May 28 - June 3

Lane closures for the week of May 28:

  • Tuesday - Friday: Full closures of northbound I-25 off-ramp to Prospect Road. 
  • Tuesday - Wednesday: Full closure of northbound I-25 off-ramp to US 34.
  • Tuesday - Wednesday: Single lane closures on westbound US 34 from Larimer County Road to I-25.
  • Tuesday - Thursday: Full closure of southbound I-25 on-ramp from westbound US 34.
  • Tuesday - Wednesday: Single lane closures of southbound Centerra Parkway at US 34.
  • Wednesday - Friday: Single lane closures on the southbound I-25 off-ramp to US 34. 
  • Thursday - Friday: Single lane closures and turn lane closures on Rocky Mountain Avenue and US 34.
  • Thursday - Friday: Single lane closures on eastbound US 34 from Fall River Road to I-25.
  • Tuesday - Friday: Southbound I-25 on- and off-ramp shoulders will be closed at CO 56.

Berthoud to Johnstown
Tuesday through Friday, 7 a.m. to 5 p.m., the southbound I-25 on- and off-ramp shoulders will be closed at Colorado Highway 56 for topsoiling and seeding.

Tuesday through Thursday, 7 a.m. to 5 p.m., Gateway Drive at Weld County Road 48 will be
reduced to one lane of alternating traffic with flaggers for utility work.

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 LCR 16 (exit 254)
  • Western Frontage Road (County Road 5) south of LCR 16

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 exit 254, 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.
Detour map showing alternate travel access around the full closure of LCR 16 under I-25.
Detour map for the full closure of LCR 16 under I-25

Johnstown to Fort Collins

US 34 and I-25 interchange

To perform concrete removals for future paving operations, full closures of the northbound I-25 off-ramp to Prospect Road will take place from:

  • 8 p.m., Tuesday, May 30 until 5 a.m., Wednesday, May 31
  • 8 p.m., Wednesday, May 31 until 5 a.m., Thursday, June 1
  • 8 p.m., Thursday, June 1 until 5 a.m., Friday, June 2
  • 8 p.m., Friday, June 2 until 5 a.m., Saturday, June 3

Northbound I-25 off-ramp traffic will continue north on I-25 to Exit 269/Mulberry Street and continue back on southbound I-25 to Exit 268/ Prospect Road.

To install overhead sign structures and perform asphalt removals on US Highway 34, various lane closures and I-25 ramps closures to and from US 34 will be in place next week in Loveland. Full closure of the northbound I-25 off-ramp to US 34 will take place from:

  • 9 p.m., Tuesday, May 30 until 5 a.m., Wednesday, May 31.
    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.

Single lane closures on westbound US 34 from Larimer County Road 5 to I-25 will take place from:

  • 8 p.m., Tuesday, May 30 until 5 a.m., Wednesday, May 31 
  • 8 p.m., Wednesday, May 31 until 5 a.m., Thursday, June 1

Full closure of the southbound I-25 on-ramp from westbound US 34 will take place from:

  • 9 p.m., Tuesday, May 30 until 5 a.m., Wednesday, May 31
  • 9 p.m., Thursday, June 1 until 5 a.m., Friday, June 2

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.

Single lane closures on southbound Centerra Parkway at US 34 from:

  • 9 p.m., Tuesday, May 30 until 5 a.m., Wednesday, May 31
  • 8 p.m., Wednesday, May 31 until 5 a.m., Thursday, June 1

Single lane closures on the southbound I-25 off-ramp to US 34 will take place from:

  • 8 p.m., Wednesday, May 31 until 5 a.m., Thursday, June 1
  • 9 p.m., Friday, June 2 until 5 a.m., Saturday, June 3

Full closure of the southbound I-25 off-ramp to US 34 will take place from:

  • 9 p.m., Thursday, June 1 until 5 a.m., Friday, June 2.

Southbound I-25 off-ramp traffic will continue south on I-25 to Exit 255/ Colorado Highway 402 and turn left. Continue east to the northbound I-25 on-ramp to Exit 257/US 34.

Single lane closures and turn lane closures on Rocky Mountain Avenue and US 34 will take place from:

  • 9 p.m., Thursday, June 1 until 5 a.m., Friday, June 2

Single lane closures on eastbound US 34 from Fall River Road to I-25 will take place from:

  • 9 p.m., Thursday, June 1 until 5 a.m., Friday, June 2
  • 9 p.m., Friday, June 2 until 5 a.m., Saturday, June 3