ST. LOUIS – To help motorists travel around the state for the upcoming Christmas holiday, the Missouri Department of Transportation will restrict most construction on interstates and state highways from noon on Wednesday, Dec. 24 until 6 a.m. Friday, Dec. 26. Restrictions will still be in place in areas with permanent barriers, and if necessary, crews will close lanes for emergency maintenance.
For more on roadway closures due to construction, additional work zone information, and real-time roadway weather conditions, go to http://traveler.modot.org/map. For real-time traffic, visit www.gatewayguide.com.
Motorists should be aware of the following ongoing closures:
- I-55, St. Louis City, one southbound lane closed from I-44 to north of Bates and two southbound lanes closed north of Bates to north of Weber through early 2026.
- I-55, St. Louis City and County, one northbound lane closed from north of Reavis Barracks to north of Bayless and two northbound lanes closed from north of Bayless to Virginia through early 2026.
- I-55, St. Louis City, the ramp from Virginia to southbound is closed through early 2026.
- I-55, St. Louis City, the ramp from southbound to Loughborough and the Loughborough on-ramp to southbound will be closed through early 2026.
- I-55, St. Louis City, the ramp from Lafayette/Truman to southbound is closed through early 2026.
- I-55, St. Louis City, the ramp from Germania to northbound is closed through early 2026.
- I-55, St. Louis City, the ramp from southbound to Germania is through early 2026.
- I-270, St. Louis County, various northbound and southbound lanes narrowed between I-64 and Olive through early 2026.
- I-270. St. Louis County, Conway Rd. under I-270 closed.
- I-270, St. Louis County, westbound exit ramp to Riverview Drive closed.
- I-270, St. Louis County, on-ramp from Riverview Drive to westbound I-270 closed.
- Route 67, St. Louis County, northbound and southbound Route 67 loop ramps to Route D closed. Route D westbound and eastbound loop ramps to Route 67 closed.
- Route 67, St. Louis County, one northbound and one southbound lane closed at Route D.
- Route 67, St. Louis County, one lane closed at Lynn Haven/Taylor.
- Route 67, one northbound lane closed from Washington to St. Ferdinand.
- Route N, St. Louis County, one lane closed southbound from south of I-70 to Augusta.
- Route N, St. Louis County, one lane permanently closed northbound from Route 115 to Bermuda.
- Route N, St. Louis County, one northbound lane closed from Signal Hill Dr. to Bernhardt Ave.
- I-64, St. Charles County, North Outer Road/Technology Drive bridge closed through 2025.
- I-70, St. Charles County, North Outer Road westbound at Foristell temporary slip ramp in place through January 2026.
- I-55, Jefferson County, intersection of I-55 and Route 67 closed.
- I-55, Jefferson County, one lane of northbound/southbound I-55 closed from Route 67 to Route Z.
- I-55, Jefferson County, three left turn lanes closed at McNutt under the interstate. Traffic will move to the outside lanes. Drivers will be able to make a left turn onto the interstate ramp.
- I-55, Jefferson County, Route CC fully closed at Route 67. No access to 67 on both sides of the intersection.
- Route 67, Jefferson County, one southbound lane closed at I-55.
- Route Z, Jefferson County, three middle lanes closed in the center of Route Z. All traffic is pushed to the outside lanes.
- Route MM, Franklin County, all lanes closed between Route T and Coleman Road.
Please see the list of daily road closures, weather permitting:
Thursday, December 25
- Route 366, St. Louis County, 6 a.m. to 3 p.m., one westbound lane closed from MacKenzie to Grant.
Friday, December 26
- Route 366, St. Louis County, 6 a.m. to 3 p.m., one westbound lane closed from MacKenzie to Grant.
Saturday, December 27
- No scheduled work zones.
Sunday, December 28
- No scheduled work zones.
Monday, December 29
- Route 366, St. Louis County, 6 a.m. to 3 p.m., one westbound lane closed from MacKenzie to Grant.
- Route 30, Jefferson County, 4 a.m. to 3 p.m., one westbound lane closed from Route PP to Diehl Rd.
Tuesday, December 30
- Route 366, St. Louis County, 6 a.m. to 3 p.m., one westbound lane closed from MacKenzie to Grant.
- Route 30, Jefferson County, 4 a.m. to 3 p.m., one westbound lane closed from Route PP to Diehl Rd.
Wednesday, December 31
- No scheduled work zones.
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