Traffic Impacts
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.
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.

Johnstown to Fort Collins
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