(COLORADO SPRINGS) — The Colorado Department of Transportation (CDOT) reported that crews will temporarily close southbound I-25 at South Academy Boulevard for several nights during the week of Sunday, Sept. 29, as part of a traffic switch for the Military Access, Mobility & Safety Improvement Project (MAMSIP). Courtesy: Colorado Department of TransportationCourtesy: Colorado Department of TransportationCourtesy: Colorado Department of TransportationCourtesy: Colorado Department of TransportationCourtesy: Colorado Department of Transportation Improvements include removing barriers, installing signage, and completing drainage work along southbound I-25 during nighttime hours from Tuesday, Oct. 1, to Friday, Oct. 4. Closures include: Temporary full closure of southbound I-25 between South Academy Boulevard and Santa Fe Avenue. Temporary full closures of southbound I-25 between South Academy Boulevard and Mesa Ridge Parkway. Rerouting of northbound I-25 traffic using the South Academy Boulevard ramps. Temporary nighttime closures of South Academy Boulevard lanes under I-25 from Monday to Friday, Sept. 30 through Oct. 4, for electrical conduit and lighting installation under the I-25 bridge deck. Left lane closure on southbound I-25 between South Academy Boulevard and Mesa Ridge Parkway on Monday, Sept. 30, from 7 p.m. to 6 a.m. for safety barrier removal. Right lane closure on southbound I-25 at Santa Fe Avenue on Tuesday, Oct. 1, from 1 to 3 p.m. for concrete sign footer installation. A closure of northbound South Academy Boulevard between I-25 and U.S. 85 is planned for Sunday, Sept. 29, midnight to Monday, Sept. 30, at 4:30 a.m., and Friday, Oct. 4, at 7 p.m. to Monday, Oct. 7, at 4:30 a.m., for Fountain Creek bridge work. The speed limit in this area has been reduced to 60 mph. Motorists should expect delays of 10-15 minutes and are urged to use extra caution while traveling through the construction zone, where fines will be doubled.