Projects

Traffic Impacts

Week of July 14, 2019

Remember: two lanes of traffic on I-25 will be open in each direction during the day. While all planned lane closures on I-25 are restricted to nighttime, emergency repairs or response to motor vehicle crashes may require daytime closures. Sign up for text alerts by texting I25GAP to 21000.

Please pay close attention through the construction zone. Watch your following distance and avoid distracted driving.


Drivers, please pay attention as construction activities increase in the middle section of the project between Greenland Road and Sky View Lane (Tomah Road). Drivers can expect traffic shifts and concrete barrier in the area. Speed limits are reduced to a 60 mph throughout the entire 18-mile corridor.
 
Work continues in the northern and southern sections of the project where crews are building wider shoulders and an Express Lane in each direction.
 
Please slow down and pay attention to traffic shifts and crews in the work zone. Two travel lanes in each direction will be open during peak travel hours. Lane closures are restricted to nighttime hours only.


New Speed Limit is Maximum of 60 mph

Starting today, drivers along the 18-mile corridor will notice new electronic speed limit signs. These signs will replace existing speed limit signs and display a reduced speed limit of a maximum of 60 mph.
 
In addition to displaying a reduced speed limit, these electronic signs will allow the project to change the speed limits in real-time – based on weather conditions, crashes, or construction-related impacts. These speeds will be enforceable, so please remember to watch for posted speed limits and pay attention through the construction zone!

12-Hour Greenland Road Single-Lane Closure

I-25 at Greenland Road will experience a major traffic switch this week. As crews prepare for this shift, drivers can expect an overnight 12-hour, single-lane closure of northbound I-25 on Wednesday, July 17, from 6 p.m. to 6 a.m.
 
All traffic will be shifted to the southbound side (separated by a concrete barrier), so crews can begin work on the Greenland Road bridge. Please drive the posted speed limit and pay extra attention.

Upper Lake Gulch Road On-Ramp to Southbound I-25 Closed

Overnight on Monday, July 15, and Tuesday, July 16, crews will close the Upper Lake Gulch Road on-ramp to southbound I-25 from 8 p.m. to 5 a.m. for preconstruction activities. To access southbound I-25, motorists will be detoured north to Sky View Lane (Tomah Road) and turn around to access southbound I-25.

Spruce Mountain Road On-Ramp to Northbound I-25 Closed

Overnight on Wednesday, July 17, crews will close the Spruce Mountain Road on-ramp to northbound I-25 from 8 p.m. to 5 a.m. for preconstruction activities. To access northbound I-25, motorists should use Upper Lake Gulch Road.


Closures

* Remember: planned lane closures can be affected by weather. 

Description Time Frame Work Detour

Single lane closures northbound and southbound I-25
between Plum Creek Parkway and Sky View Lane 

Sunday-Thursday
July 14-18
8 p.m. to 5 a.m. 

Cable rail and
pothole repair

One lane open in each direction of I-25.
Stay the course!

Single lane closures along northbound and southbound I-25 on 
the southern section of the project, between Greenland and 
Monument

Sunday-Friday
July 14-19
8 p.m. to 5 a.m.

Barrier and emergency
pull-out sign placement; 
pothole repairs

One lane open in each direction of I-25. 
Stay the course!

Single lane closures along northbound and southbound I-25 between
Sky View Lane (Tomah Road)
and Greenland Road

Sunday-Thursday
July 14-18
8 p.m. to 5 a.m.

Pre-construction activities

One lane open in each direction of I-25. 
Stay the course!

Shoulder closures along northbound and southbound I-25
throughout the 18-mile project corridor.

Monday-Friday
July 15-19
8:30 a.m. to 4 p.m.

Fiber optic work

One lane open in each direction of I-25. 
Stay the course!

Closure of the Upper Lake Gulch Road on-ramp to southbound I-25

Monday and Tuesday
July 15 and 16
8 p.m. to 5 a.m.

Preconstruction 
activities

Continue on I-25 north to Sky View Lane
to access southbound I-25.

12-hour single-lane closure of northbound I-25

Wednesday
July 17
6 p.m. to 6 a.m.

New lane configuration for work to begin at the Greenland Road bridge

One lane open in each direction. Stay the course!

Closure of the Spruce Mountain Road on-ramp to northbound I-25

Wednesday
July 17
8 p.m. to 5 a.m.

Preconstruction activities

Use Upper Lake Gulch Road to access northbound I-25.

Closure of I-25 off-ramp to Upper Lake Gulch Road

Thursday
July 18
8 p.m. to 5 a.m.

Preconstruction activities

Continue on I-25 north to Sky View Lane to access Upper Lake Gulch using southbound I-25.

Swipe table to see more content

Description Time Frame Work Detour
Single lane closures and flagging operations
along East and West Frontage Roads 
Plum Creek Parkway and Sky View Lane (Tomah Road)

Daytime Hours
Monday-Friday
July 15-19
8:30 a.m. to 4 p.m.

Installation of fiber optic lines,
frontage road repairs and install
guardrail
Watch for flaggers who will direct traffic.
Residential access will be maintained. 
Swipe table to see more content

Project Offices in Castle Rock

A temporary construction office for CDOT and its contractor partner, Kraemer North America, is located near the intersection of Crystal Valley Parkway and the I-25 east Frontage Road. Please watch for vehicles entering and exiting the site throughout the duration of construction. Upon project completion, the area will be returned to its previous state; the asphalt will be removed and the area will be re-graded and seeded.


Safety for drivers and workers is our top priority during construction.

 Get project text alerts:
Text I25GAP to 21000.

 Get project emails:

* indicates required

Contact Us

Colorado: The Official State Web Portal