Traffic Impacts

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

Construction Activities & Impacts

Work this Week
Sept. 24 - 30

Lane closures for the week of Sept. 24:

  • Tuesday: I-25 ramps left turn lane closures at CO 60.
  • Tuesday evening: Northbound I-25 left lane closure between MP 253-255.

  • Sunday to Monday: Full closure of the southbound I-25 on-ramp from Prospect Road and an intermittent full closure of the southbound I-25 on-ramp from Mulberry Street.

  • Sunday through Tuesday: Full closures nightly of the westbound US 34 on-ramp to southbound I-25.

  • Friday to Saturday: Double lane closures on US 34 over I-25.

  • Tuesday to Wednesday: Intermittent closure of the southbound I-25 on-ramp from CO 392.

  • Wednesday to Thursday: Intermittent closure of the southbound I-25 off-ramp to Crossroads Boulevard.

  • Monday through Thursday: Single lane closures on southbound I-25 will take place between Mulberry Street and Prospect Road.

  • Monday through Thursday: Single lane closures on I-25 between US 34 and Mulberry Road.

  • Sunday through Friday: Intermittent mobile lane closures on I-25.

Berthoud to Johnstown

Closures:
Larimer and Weld County — The speed limit will be lowered as needed on the project to 55 mph. Please obey speed limit signs.

Tuesday, there will be left turn lane closures on the I-25 ramps at Colorado Highway 60 for placement of lighting poles at the following times:

  • Northbound off-ramp, 9 to 10 a.m.
  • Southbound on-ramp, 10 to 11 a.m.
  • Southbound off-ramp, 11 a.m. to noon
  • Northbound on-ramp, noon to 1 p.m.

Tuesday night, 9 p.m. to 5 a.m., the northbound I-25 left lane will be closed between Larimer County Road 14 and Colorado Highway 402 for sign structure installation.

Other Work Not Requiring Closures:

  • Slope grading, placement of erosion control material, fence installation, pouring of light foundations, and planting will take place near I-25 at CO 60/WCR 48.
  • Fencing, forming, rebar and pouring of outlet structures and seeding will take place around the water quality detention pond near CO 56/WCR 44. Barrier work, concrete and slope paving and electrical wiring will take place in the I-25 median at CO 56.
  • Guardrail work will take place near I-25 at Larimer County Road 16.
  • Barrier work, asphalt milling, sign caisson work, Installation of signs and utility work will take place sitewide along southbound I-25.
Johnstown to Fort Collins

To shift traffic on the new I-25 ramps at Prospect Road, a full closure of the southbound I-25 on-ramp from Prospect Road and an intermittent full closure of the southbound I-25 on-ramp from Mulberry Street will take place from:

  • 9 p.m., Sunday until 5 a.m., Monday.

Southbound I-25 on-ramp from Prospect Road traffic will go north on I-25 to Exit 269/Mulberry Street and continue back onto southbound I-25.

Southbound I-25 on-ramp from Mulberry Street traffic will go northbound on I-25. Continue
north to Exit 271/Mountain Vista Drive, turn left and continue onto southbound I-25.

To perform concrete finishing work on I-25 and US 34, various closures are required next
week.
Full closures nightly of the westbound US 34 on-ramp to southbound I-25 from:

  • 9 p.m. to 5 a.m., Sunday through Tuesday.

Westbound US 34 to 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.

  • Double lane closures on US 34 over I-25 will take place 9 p.m., Friday until 5 a.m., Saturday.

To perform final striping operations on the new I-25 roadway, various intermittent ramp
closures will take place next week.

Intermittent closure of the southbound I-25 on-ramp from Colorado Highway 392 will take
place from:

  • 9 p.m., Tuesday until 5 a.m., Wednesday.

Southbound I-25 on-ramp from CO 392 traffic will go north on I-25 to Exit 265/Harmony
Road and turn left. Continue back onto southbound I-25.

Intermittent closure of the southbound I-25 off-ramp to Crossroads Boulevard will take place:

  • 9 p.m., Wednesday until 5 a.m., Thursday.

Southbound I-25 off-ramp to Crossroads Boulevard traffic will continue south on I-25 to Exit
257/US 34 and continue back on northbound I-25 to Exit 259/Crossroads Boulevard.

Daytime single lane closures on southbound I-25 will take place between Mulberry Street and
Prospect Road daily from 9 a.m. until 3 p.m., Monday through Thursday.

Single lane closures on I-25 between US 34 and Mulberry Road will take place nightly, 9 p.m.
to 5 a.m., Monday through Thursday.

Intermittent mobile lane closures on I-25, project-wide, will take place nightly, 9 p.m. to 5
a.m., Sunday through Friday.