St. Louis Work Zones January 15-21…

ST. LOUIS - MoDOT encourages motorists to drive safely and cautiously as they travel through St. Louis area work zones. Motorists should always stay alert and focused, obey traffic laws, and adjust their speed to match road and weather conditions.

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-55, St. Louis City, the ramp from southbound to Germania is 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 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.
• 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, January 15

• I-44, St. Louis City, 9 a.m. to 6 p.m., two eastbound lanes closed between Hampton to Grand.
• 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 Walden Ridge to Baptist Church.
• Route 100, St. Louis County, 7 a.m. to 3 p.m., one eastbound left lane between Barrett Station Road and Des Peres Rd. closed.
• 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 from I-70 to Route 364.
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed from Route 364 to I-70.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one eastbound lane closed from Wentzville Parkway to Route A.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one westbound lane closed from Route A to Wentzville Parkway.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one eastbound lane closed between Foristell and Wentzville Parkway.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one westbound lane closed between Wentzville Parkway and Foristell.
• I-70, St. Charles County, 9 a.m. to 3 p.m., one lane closed on Route W at Foristell. Flaggers will direct traffic through the construction zone.
• Route 370, St. Charles County, 4 a.m. to 1 p.m., one westbound lane closed from on ramp from Route 141 to Route 370 overpass of Route 94.
• Route 61/67, Jefferson County, 8 a.m. to 3 p.m., one southbound lane closed between Herky Horine and Scenic Drive.

Friday, January 16

• I-44, St. Louis City, 9 a.m. to 6 p.m., two eastbound lanes closed between Hampton to Grand.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed between Green Park and Reavis Road.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed from Walden Ridge to Baptist Church.
• Route 100, St. Louis County, 7 a.m. to 3 p.m., one eastbound left lane between Barrett Station Road and Des Peres Rd. closed.
• 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 from I-70 to Route 364.
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed from Route 364 to I-70.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one eastbound lane closed from Wentzville Parkway to Route A.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one westbound lane closed from Route A to Wentzville Parkway.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one eastbound lane closed between Foristell and Wentzville Parkway.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one westbound lane closed between Wentzville Parkway and Foristell.
• I-70, St. Charles County, 9 a.m. to 3 p.m., one lane closed on Route W at Foristell. Flaggers will direct traffic through the construction zone.
• Route 370, St. Charles County, 4 a.m. to 1 p.m., one westbound lane closed from on ramp from Route 141 to Route 370 overpass of Route 94.
• Route 61/67, Jefferson County, 8 a.m. to 3 p.m., one southbound lane closed between Herky Horine and Scenic Drive.

Saturday, January 17

• There are no scheduled closures.

Sunday, January 18

• There are no scheduled closures.

Monday, January 19

• I-44, St. Louis City, 9 a.m. to 6 p.m., two eastbound lanes closed between Hampton to Grand.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed between Green Park and Reavis Road.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed from Walden Ridge to Baptist Church.
• Route 100, St. Louis County, 7 a.m. to 3 p.m., one eastbound left lane between Barrett Station Road and Des Peres Rd. closed.
• 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 from I-70 to Route 364.
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed from Route 364 to I-70.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one eastbound lane closed from Wentzville Parkway to Route A.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one westbound lane closed from Route A to Wentzville Parkway.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one eastbound lane closed between Foristell and Wentzville Parkway.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one westbound lane closed between Wentzville Parkway and Foristell.
• I-70, St. Charles County, 9 a.m. to 3 p.m., one lane closed on Route W at Foristell. Flaggers will direct traffic through the construction zone.
• Route 370, St. Charles County, 7 a.m. to 1 p.m., one westbound lane closed from on ramp from Route 141 to Route 370 overpass of Route 94.
• Route 370, St. Charles County, 9 a.m. to 6 p.m., one eastbound lane closed from Mel Wetter Parkway overpass to eastbound Route 370 exit to Route 141.
• Route 61/67, Jefferson County, 8 a.m. to 3 p.m., one southbound lane closed between Herky Horine and Scenic Drive.

Tuesday, January 20

• I-44, St. Louis City, 9 a.m. to 6 p.m., two eastbound lanes closed between Hampton to Grand.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed between Green Park and Reavis Road.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed from Walden Ridge to Baptist Church.
• Route 100, St. Louis County, 7 a.m. to 3 p.m., one eastbound left lane between Barrett Station Road and Des Peres Rd. closed.
• 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 from I-70 to Route 364.
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed from Route 364 to I-70.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one eastbound lane closed from Wentzville Parkway to Route A.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one westbound lane closed from Route A to Wentzville Parkway.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one eastbound lane closed between Foristell and Wentzville Parkway.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one westbound lane closed between Wentzville Parkway and Foristell.
• I-70, St. Charles County, 9 a.m. to 3 p.m., one lane closed on Route W at Foristell. Flaggers will direct traffic through the construction zone.
• Route 370, St. Charles County, 7 a.m. to 1 p.m., one westbound lane closed from on ramp from Route 141 to Route 370 overpass of Route 94.
• Route 370, St. Charles County, 9 a.m. to 6 p.m., one eastbound lane closed from Mel Wetter Parkway overpass to eastbound Route 370 exit to Route 141.
• Route 61/67, Jefferson County, 8 a.m. to 3 p.m., one southbound lane closed between Herky Horine and Scenic Drive.

Wednesday, January 21

• I-44, St. Louis City, 9 a.m. to 6 p.m., two eastbound lanes closed between Hampton to Grand.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed between Green Park and Reavis Road.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed from Walden Ridge to Baptist Church.
• Route 100, St. Louis County, 7 a.m. to 3 p.m., one eastbound left lane between Barrett Station Road and Des Peres Rd. closed.
• 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 from I-70 to Route 364.
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed from Route 364 to I-70.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one eastbound lane closed from Wentzville Parkway to Route A.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one westbound lane closed from Route A to Wentzville Parkway.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one eastbound lane closed between Foristell and Wentzville Parkway.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one westbound lane closed between Wentzville Parkway and Foristell.
• I-70, St. Charles County, 9 a.m. to 3 p.m., one lane closed on Route W at Foristell. Flaggers will direct traffic through the construction zone.
• Route 370, St. Charles County, 7 a.m. to 1 p.m., one westbound lane closed from on ramp from Route 141 to Route 370 overpass of Route 94.
• Route 370, St. Charles County, 9 a.m. to 6 p.m., one eastbound lane closed from Mel Wetter Parkway overpass to eastbound Route 370 exit to Route 141.
• Route 61/67, Jefferson County, 8 a.m. to 3 p.m., one southbound lane closed between Herky Horine and Scenic Drive.

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