Military Access, Mobility & Safety Improvement Project

News Release

December 17, 2021 - Southeastern Colorado - CDOT continues construction with paving of emergency pullout and installation of advance warning signage on Interstate-25 Resulting in nighttime lane closures

COLORADO SPRINGS — For the week of December 19 Colorado Department of Transportation and Contractor SEMA Construction, Inc. will work on Interstate-25 along a 7.5-mile segment between South Academy Boulevard and extending to the Santa Fe Avenue exit (CO 85/75). Work will take place during evening and early morning hours, with alternating right- and left-lane closures on southbound I-25 for installation of permanent advance warning sign for upcoming shift. In addition, construction of northbound emergency pullouts with paving and barrier installation will require right lane closures on northbound I-25.

Traffic Impacts

Southbound I-25 alternating single lane closures and shoulder closures and northbound I-25 right lane closures between approximately South Academy Boulevard and Santa Fe Avenue (Mile Post 135 - 127.)

  • Sunday, Dec. 19 – Wednesday, Dec. 22, work hours approximately 7 p.m. - 5 a.m.
  • Friday, Dec. 24 – Sunday, Dec. 26 and Friday, Dec. 31 – Sunday, Jan. 2, No work due to holidays. Work will resume Monday, Jan. 3.
  • Speed limit reduction to 55 MPH during construction hours
  • Eleven-foot width restrictions
  • Traffic fines will be doubled in the work zone. Motorists should slow down as they approach the work zones, drive with caution, allow extra space between vehicles, and give themselves extra travel time.
  • Dates of work are weather permitting
  • In the future, travelers can expect daytime and nighttime traffic impacts.
  • Intermittent daytime and nighttime lane closures should be expected.

This work is part of the Military Access, Mobility & Safety Improvement Project (MAMSIP). MAMSIP is comprised of four discrete road projects in the Pikes Peak region, all of which are strategically important in the movement of personnel and equipment between nationally significant military facilities.

Project Overview

Interstate-25 – Safety and efficiency improvements:

  • The improvements to I-25 addressed in this project are located along an approximately 7.5-mile segment of the corridor beginning at South Academy Boulevard and extending to the Santa Fe Avenue (CO 85/87) exit at Fountain (MP 128), which exits to Gate 19 of Fort Carson.

Replacement of two bridges crossing over South Academy Boulevard:

  • Widening of both inside and outside shoulders and installing safety improvements; 
  • Concrete surface treatment overlay to provide an improved riding surface for this 7.5-mile segment;
  • Installation of median barrier the entire length of this corridor; 
  • Rehab and widening work on four bridges along the corridor, and 
  • Installation of I-25 Southbound deceleration lane at the interchange with Colorado Highway 16.

Project Information

For additional information about this project:

Know Before You Go

Travelers are urged to “know before you go.” Gather information about weather forecasts and anticipated travel impacts and current road conditions prior to hitting the road. CDOT resources include:

  • Road conditions and travel information:
  • Download the COtrip Planner app:
  • Sign up for project or travel alerts:
  • See scheduled construction lane closures:
  • Connect with @ColoradoDOT on social media: Twitter, Facebook, Instagram and YouTube.

Remember: Slow For The Cone Zone

The following tips are to help you stay safe while traveling through maintenance and construction work zones.

  • Do not speed in work zones. Obey the posted speed limits.
  • Stay Alert! Expect the unexpected.
  • Watch for workers. Drive with caution.
  • Don't change lanes unnecessarily.
  • Avoid using mobile devices such as phones while driving in work zones.
  • Turn on headlights so that workers and other drivers can see you.
  • Be especially alert at night while driving in work zones.
  • Expect delays, especially during peak travel times.
  • Allow ample space between you and the car in front of you.
  • Anticipate lane shifts and merge when directed to do so.
  • Be patient!