St. Louis Work Zones Feb. 26-March 4

ST. LOUIS – Jefferson County drivers who travel Route 67 and I-55 should be aware of two closures Thursday and Friday nights. On Thursday, Feb. 26 from 8 p.m. to 5 a.m., the southbound ramp of Route 67 to northbound I-55 will be closed.

On Friday, Feb. 27 from 11 p.m. to 5 a.m., southbound I-55 will be closed at Route M. 

Signs will direct motorists through each of the two closures.

Drivers in St. Charles County who use I-70 overnight should consider alternate routes or allow extra time as crews with the Improve I-70 Warrenton to Wentzville Project will close all eastbound lanes of Interstate 70 at the I-70/I-64/U.S. 61 interchange on Tuesday, March 3 from 9 p.m. to 5 a.m.

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 Virginia on ramp to southbound I-55 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-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 northbound lane closed from Patterson to St. Ferdinand.
• Route AB, St. Louis County, one eastbound and westbound lane closed under I-270.
• 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 spring 2026.
• 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, starting at 7 a.m. February 24, one southbound lane closed between Route 141 and Meramec Bottom until 2027.
• 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.

Please see the list of daily road closures, weather permitting:

Thursday, February 26

• I-44, St. Louis City, 3 a.m. to 2 p.m., two lanes closed westbound from Grand to Kingshighway.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed from Green Park to Gravois.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed from Green Park to Reavis Barracks.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed between Lutheran South to Suson Hills.
• Route 100, St. Louis County, 7 a.m. to 3 p.m., one eastbound lane closed between Pointe Drive an Des Peres.
• Route 100, St. Louis County, 7 a.m. to 3 p.m., one westbound lane closed between Sam’s Dr. and Barrett Station Rd.
• Route 100, St. Louis County, 7 a.m. to 3 p.m., one westbound lane closed between Weidman Rd. and Knollhaven Rd.
• Route 366, St. Louis County, 6 a.m. to 3 p.m., one eastbound and westbound lane closed between Grant and Laclede Station Road.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between I-70 to Route 364.
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route 364 and I-70.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one lane of the eastbound north outer road closed east of Route W at Foristell. Flaggers will direct motorists through the construction area.
• I-70, St. Charles County, 8 a.m. to 1 p.m., one westbound lane closed between Wentzville Parkway and David Hoekel Parkway.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one eastbound and westbound lane closed from Foristell to Wentzville.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one eastbound and westbound lane closed from Wentzville Parkway to Route A.
• Route 61, St. Charles County, 8 p.m. to 6 a.m., one eastbound and westbound lane closed between Route A and I-70.
• Route 370, St. Charles County, 7 p.m. to 5:30 a.m.., two eastbound lanes closed from Mel Wetter Pkwy to eastbound Route 370 exit to Route 141.
• Route 370, St. Charles County, 8 a.m. to 6 p.m.., one eastbound lane closed between Mel Wetter Parkway to Route 141.
• Route 370, St. Charles County, 7 p.m. to 5:30 a.m., two westbound lanes closed from Route 141 to Route 370 overpass of Route 94.
• Route 67, Jefferson County, 8 p.m. to 5 a.m., southbound Route 67 to northbound I-55 ramp closed.
• Route 100, Franklin County, 7 a.m. to 3:30 p.m., one lane closed at Route 100 and Route B intersection.

Friday, February 27

• I-44, St. Louis City, 3 a.m. to 2 p.m., two lanes closed westbound from Grand to Kingshighway.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed from Green Park to Gravois.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed from Green Park to Reavis Barracks.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed between Lutheran South to Suson Hills.
• Route 100, St. Louis County, 7 a.m. to 3 p.m., one eastbound lane closed between Pointe Drive and Des Peres.
• Route 100, St. Louis County, 7 a.m. to 3 p.m., one westbound lane closed between Sam’s Dr. and Barrett Station Rd.
• Route 100, St. Louis County, 7 a.m. to 3 p.m., one westbound lane closed between Weidman Rd. and Knollhaven Rd.
• Route 366, St. Louis County, 6 a.m. to 3 p.m., one eastbound and westbound lane closed between Grant and Laclede Station Road.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between I-70 to Route 364.
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route 364 and I-70.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one lane of the eastbound north outer road closed east of Route W at Foristell. Flaggers will direct motorists through the construction area.
• I-70, St. Charles County, 8 a.m. to 1 p.m., one westbound lane closed between Wentzville Parkway and David Hoekel Parkway.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one eastbound and westbound lane closed from Foristell to Wentzville.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one eastbound and westbound lane closed from Wentzville Parkway to Route A.
• Route 61, St. Charles County, 8 p.m. to 6 a.m., one eastbound and westbound lane closed between Route A and I-70.
• Route 370, St. Charles County, 7 p.m. to 5:30 a.m.., two eastbound lanes closed from Mel Wetter Pkwy to eastbound Route 370 exit to Route 141.
• Route 370, St. Charles County, 7 a.m. to 2:30 p.m., two westbound lanes closed from on ramp from Route 141 to Route 370 overpass of Route 94.
• Route 370, St. Charles County, 8 a.m. to 6 p.m.., one eastbound lane closed between Mel Wetter Parkway to Route 141.
• I-55, Jefferson County, 11 p.m. to 5 a.m., southbound I-55 closed at Route M. Detours will be in place.
• Route 100, Franklin County, 7 a.m. to 3:30 p.m., one lane closed at Route 100 and Route B intersection.

Saturday, February 28

• Route 370, St. Charles County, 7 a.m. to 6 p.m., one westbound lane closed from on ramp from Route 141 to Route 370 overpass of Route 94.

Sunday, March 1

• There are no scheduled closures. 

Monday, March 2

• I-44, St. Louis City, 3 a.m. to 2 p.m., two lanes closed westbound from Grand to Kingshighway.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed from Green Park to Gravois.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed from Green Park to Reavis Barracks.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed between Lutheran South to Suson Hills.
• Route 30, St. Louis County, 7 p.m. to 6 a.m., one lane closed eastbound and westbound between Route 141 and I-270.
• Route 30, St. Louis County, 9 a.m. to 3 p.m., one lane closed eastbound and westbound between Route 141 and Weber Hill.
• Route 100, St. Louis County, 7 a.m. to 3 p.m., one westbound lane closed between Weidman Rd. and Knollhaven Rd.
• Route 366, St. Louis County, 6 a.m. to 3 p.m., one eastbound and westbound lane closed between Grant and Laclede Station Road.
• Route 370, St. Louis County, 7 p.m. to 5:30 a.m., two lanes closed westbound from I-270 tp Ferguson.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route 364 and I-70.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one eastbound and westbound lane closed from Foristell to Wentzville Parkway.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one eastbound and westbound lane closed from Wentzville Parkway to Route A.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., the westbound ramp to I-64 westbound closed.
• I-70, St. Charles County, 8 a.m. to 1 p.m., one westbound lane closed between Wentzville Parkway and David Hoeckel Parkway.
• Route 370, St. Charles County, 8 a.m. to 6 p.m., one eastbound lane closed between Mel Wetter Parkway to Route 141.
• Route 370, St. Charles County, 7 p.m. to 5:30 a.m., two westbound lanes closed from on ramp from Route 141 to Route 370 overpass of Route 94.
• Route 370, St. Charles County, 7 p.m. to 5:30 a.m., two east bound lanes closed from Mel Wetter Pkwy overpass to eastbound Route 370 exit to Route 141.
• Route 100, Franklin County, 7 a.m. to 3:30 p.m., one lane closed at Route 100 and Route B intersection.

Tuesday, March 3

• I-44, St. Louis City, 3 a.m. to 2 p.m., two westbound lanes closed from Jamieson to Shrewsbury.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed from Green Park to Gravois.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed from Green Park to Reavis Barracks.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed between Lutheran South to Suson Hills.
• Route 30, St. Louis County, 7 p.m. to 6 a.m., one lane closed eastbound and westbound between Route 141 and I-270.
• Route 30, St. Louis County, 9 a.m. to 3 p.m., one lane closed eastbound and westbound between Route 141 and Weber Hill.
• Route 100, St. Louis County, 7 a.m. to 3 p.m., one westbound lane closed between Weidman Rd. and Knollhaven Rd.
• Route 366, St. Louis County, 6 a.m. to 3 p.m., one eastbound and westbound lane closed between Grant and Laclede Station Road.
• Route 370, St. Louis County, 7 p.m. to 5:30 a.m., two lanes closed westbound from I-270 to Ferguson Ln.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between I-70 to Route 364.
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route 364 and I-70.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one eastbound and westbound lane closed from Foristell to Wentzville Parkway.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one eastbound and westbound lane closed from Wentzville Parkway to Route A.
• I-70, St. Charles County, 8 a.m. to 1 p.m., one westbound lane closed between Wentzville Parkway and David Hoekel Parkway.
• I-70, St. Charles County, 9 p.m. to 5 a.m., all eastbound lanes closed at the I-70/I-64/Route 61 interchange. Detours will be in place.
• Route 94, St. Charles County, 10 p.m. to 4 a.m., on ramp from Route 94 to eastbound Route 370 closed.
• Route 94, St. Charles County, 7 p.m. to 5:30 a.m.., one left turn lane closed southbound to eastbound Route 370.
• Route 370, St. Charles County, 8 a.m. to 6 p.m., one eastbound lane closed between Mel Wetter Parkway to Route 141.
• Route 370, St. Charles County, 7 p.m. to 5:30 a.m., two westbound lanes closed from on ramp from Route 141 to Route 370 overpass of Route 94.
• Route 370, St. Charles County, 7 p.m. to 5:30 a.m., two east bound lanes closed from Mel Wetter Pkwy overpass to eastbound Route 370 exit to Route 141.
• Route 100, Franklin County, 7 a.m. to 3:30 p.m., one lane closed at Route 100 and Route B intersection. 

Wednesday, March 4

• I-44, St. Louis City, 3 a.m. to 2 p.m., two westbound lanes closed from Jamieson to Shrewsbury.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed from Green Park to Gravois.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed from Green Park to Reavis Barracks.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed between Lutheran South to Suson Hills.
• Route 30, St. Louis County, 7 p.m. to 6 a.m., one lane closed eastbound and westbound between Route 141 and I-270.
• Route 30, St. Louis County, 9 a.m. to 3 p.m., one lane closed eastbound and westbound between Route 141 and Weber Hill.
• Route 100, St. Louis County, 7 a.m. to 3 p.m., one westbound lane closed between Weidman Rd. and Knollhaven Rd.
• Route 366, St. Louis County, 6 a.m. to 3 p.m., one eastbound and westbound lane closed between Grant and Laclede Station Road.
• Route 370, St. Louis County, 7 p.m. to 5:30 a.m., two lanes closed westbound from I-270 to Ferguson Ln.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between I-70 to Route 364.
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route 364 and I-70.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one eastbound and westbound lane closed from Foristell to Wentzville Parkway.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one eastbound and westbound lane closed from Wentzville Parkway to Route A.
• I-70, St. Charles County, 8 a.m. to 1 p.m., one westbound lane closed between Wentzville Parkway and David Hoekel Parkway.
• Route 94, St. Charles County, 7 p.m. to 5:30 a.m.., one left turn lane closed southbound to eastbound Route 370.
• Route 370, St. Charles County, 7 p.m. to 5:30 a.m., two westbound lanes closed from on ramp from Route 141 to Route 370 overpass of Route 94.
• Route 370, St. Charles County, 8 a.m. to 6 p.m., one eastbound lane closed between Mel Wetter Parkway to Route 141.
• Route 370, St. Charles County, 7 p.m. to 5:30 a.m., two east bound lanes closed from Mel Wetter Pkwy overpass to eastbound Route 370 exit to Route 141.
• Route 100, Franklin County, 7 a.m. to 3:30 p.m., one lane closed at Route 100 and Route B intersection.

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