MoDOT - Missouri Department of Transportation

10/21/2026 | Press release | Distributed by Public on 10/21/2026 09:30

St. Louis Work Zones October 22-28

ST. LOUIS - Motorists should be aware that crews with the Improve I-70 Warrenton to Wentzville Project will close the westbound Interstate 70 exit ramp (exit 1A) from westbound Interstate 64 at the I-70/I-64/U.S. Route 61 interchange overnight. The work will take place on Monday, October 26 and Tuesday, October 27 from 9 p.m. to 5 a.m. The southbound Route 61 exit ramp to westbound I-70 also will be closed for short 15-minute durations from 9 p.m. to 5 a.m. Crews will be setting bridge girders into place for a new westbound I-70 ramp to Route Z. Westbound I-64 traffic wishing to travel west on I-70 will detour to Route A to access westbound I-70.

Motorists are encouraged to pay attention in work zones, drive the posted work zone speed limit, and allow extra time for travel. All work is weather-dependent, and schedules are subject to change.

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-44, St. Louis City, westbound express lanes and Broadway exit closed.
  • I-70, St. Louis City, westbound Broadway entrance ramp closed.
  • I-170, St. Louis County, one lane closed northbound and southbound from Natural Bridge Road to St. Charles Rock Road until late spring 2027.
  • I-270, St. Louis County, ramp from westbound to Riverview Drive 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 northbound from the Missouri River to just north of Route 94 through late 2027.
  • Route 100, St. Louis County, one eastbound and westbound lane closed from Mason Lane to Barrett Station Road through late 2026.
  • Route 100, St. Louis County, one eastbound and westbound lane closed from Weidman Road to Manchester Meadows through spring 2027.
  • Route 366, St. Louis County, one eastbound and westbound lane closed between Watson Industrial to Pardee, through the end of 2026.
  • Route D, St. Louis County, one lane closed west of Woodson through October.
  • Route D, St. Louis County, the ramps to northbound and southbound Route 67 are closed until late 2026.
  • I-70, St. Charles County, the westbound on and off-ramp at David Hoekel Parkway closed through late-November.
  • I-64, St. Charles County, the ramp from westbound to eastbound I-70 will be closed through mid-November.
  • Route 94, St. Charles County, one left-turn lane for the on-ramp to the eastbound 370 closed through late 2027.
  • Route 370, St. Charles County, two westbound lanes moved to the eastbound Discovery Bridge across the Missouri River. Two eastbound lanes shifted to the right. Temporary barrier to divide eastbound and westbound lanes.
  • I-55, Jefferson County, one northbound and southbound lane closed from Meramec Bottom to Route 141.
  • I-55, Jefferson County, the southbound on and off ramps connecting to Route Z closed.
  • Route 61/67, Jefferson County, one lane closed northbound and southbound from Brandon Wallace Way to 6th/8th Street through summer 2027.
  • Route Z, Jefferson County, all interior lanes closed under I-55. One lane in each direction is open.

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

Thursday, October 22

  • I-44, St. Louis County, 9 a.m. to 3:30 p.m., one westbound lane closed over Williams Creek.
  • I-64, St. Louis County, 6 p.m. to 9 a.m., up to two westbound lanes closed from I-270 to Chesterfield Parkway.
  • I-64, St. Louis County, 9 a.m. to 2 p.m., one lane closed at I-64 at McKnight.
  • I-64, St. Louis County, 7 p.m. to 9 a.m., up to two westbound lanes closed from Chesterfield Parkway to the Missouri River Bridge.
  • I-64, St. Louis County, 8 p.m. to 6 a.m., one left lane closed eastbound and westbound between Mason and the Missouri River Bridge.
  • I-255, St. Louis County, 9 a.m. to 7 p.m., one lane closed westbound at the Mississippi River (Jefferson Barracks) bridge.
  • Route 61/67, St. Louis County, 6 a.m. to 3 p.m., one northbound and southbound lane from Meramec River to Lindbergh.
  • Route 231, St. Louis County, 7 p.m. to 5 a.m., one northbound and southbound lane closed from I-255 to Blackforest Avenue.
  • Route 231, St. Louis County, 7 p.m. to 5 a.m., one northbound and southbound lane closed from the Meramec River to Baumgartner Road.
  • Route 267, St. Louis County, 6 a.m. to 3 p.m., one lane closed from Bayless to S. Lindbergh.
  • Route 340, St. Louis County, 9 a.m. to 3 p.m., one eastbound and westbound lane closed at I-270 to North Office Parkway.
  • Route 340, St. Louis County, 7 a.m. to 3 p.m., one eastbound and westbound lane closed from I-170 to Midland Blvd.
  • Route 340, St. Louis County, 9 a.m. to 3 p.m., one westbound right lane closed from Ferguson Avenue to Pennsylvania Avenue.
  • Route 366, St. Louis County, 6 a.m. to 3 p.m., one eastbound lane closed from Laclede Station to MacKenzie.
  • Route 366, St. Louis County, 6 a.m. to 3 p.m., one westbound lane closed from New Sappington to Lindbergh.
  • Route D, St. Louis County, 9 a.m. to 3 p.m., one eastbound and westbound lane closed from Millpark to Kratky.
  • I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between Prospect Road to Route K.
  • I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route K and Prospect Road.
  • I-64/Route 61, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound and westbound lane closed between I-70 and Prospect Road.
  • 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.
  • I-70, St. Charles County, 2 a.m. to 6 a.m., the westbound on-ramp at Foristell closed.
  • I-55, Jefferson County, 8 p.m. to 6 a.m., one northbound lane closed from Route 61/67 Interchange to McNutt.
  • I-55, Jefferson County, 8 p.m. to 6 a.m., one lane closed southbound between Route M and Route Z.
  • Route 67, Jefferson County, 7 p.m. to 6 a.m., one lane closed northbound and southbound between I-55 and Route CC.

Friday, October 23

  • I-64, St. Louis County, 9 a.m. to 2 p.m., one lane closed at I-64 at McKnight.
  • I-64, St. Louis County, 6 p.m. to 9 a.m., up to two westbound lanes closed from I-270 to Chesterfield Parkway
  • I-64, St. Louis County, 7 p.m. to 9 a.m., up to two westbound lanes closed from Chesterfield Parkway to the Missouri River Bridge.
  • I-64, St. Louis County, 8 p.m. to 6 a.m., one left lane closed eastbound and westbound between Mason and the Missouri River Bridge.
  • I-255, St. Louis County, 9 a.m. to 7 p.m., one lane closed westbound at the Mississippi River (Jefferson Barracks) bridge.
  • Route 61/67, St. Louis County, 6 a.m. to 3 p.m., one northbound and southbound lane from Meramec River to Lindbergh.
  • Route 231, St. Louis County, 7 p.m. to 5 a.m., one northbound and southbound lane closed from I-255 to Blackforest Avenue.
  • Route 231, St. Louis County, 7 p.m. to 5 a.m., one northbound and southbound lane closed from the Meramec River to Baumgartner Road.
  • Route 267, St. Louis County, 6 a.m. to 3 p.m., one lane closed from Bayless to S. Lindbergh.
  • Route 340, St. Louis County, 9 a.m. to 3 p.m., one eastbound and westbound lane closed at I-270 to North Office Parkway.
  • Route 340, St. Louis County, 7 a.m. to 3 p.m., one eastbound and westbound lane closed from I-170 to Midland Blvd.
  • Route 340, St. Louis County, 9 a.m. to 3 p.m., one westbound right lane closed from Ferguson Avenue to Pennsylvania Avenue.
  • Route 366, St. Louis County, 6 a.m. to 3 p.m., one eastbound lane closed from Laclede Station to MacKenzie.
  • Route 366, St. Louis County, 6 a.m. to 3 p.m., one westbound lane closed from New Sappington to Lindbergh.
  • Route D, St. Louis County, 9 a.m. to 3 p.m., one eastbound and westbound lane closed from Millpark to Kratky.
  • I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between Prospect Road to Route K.
  • I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route K and Prospect Road.
  • I-64/Route 61, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound and westbound lane closed between I-70 and Prospect Road.
  • 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.
  • I-55, Jefferson County, 8 p.m. to 6 a.m., one northbound lane closed from Route 61/67 Interchange to McNutt.
  • I-55, Jefferson County, 8 p.m. to 6 a.m., one lane closed southbound between Route M and Route Z.
  • Route 67, Jefferson County, 7 p.m. to 6 a.m., one lane closed northbound and southbound between I-55 and Route CC.

Saturday, October 24

  • I-255, St. Louis County, 9 a.m. to 7 p.m., one lane closed westbound at the Mississippi River (Jefferson Barracks) bridge.
  • I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between Prospect Road to Route K.
  • I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route K and Prospect Road.
  • I-64/Route 61, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound and westbound lane closed between I-70 and Prospect Road.
  • 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.

Sunday, October 25

  • I-255, St. Louis County, 9 a.m. to 7 p.m., one lane closed westbound at the Mississippi River (Jefferson Barracks) bridge.

Monday, October 26

  • I-64, St. Louis County, 6 p.m. to 9 a.m., up to two westbound lanes closed from I-270 to Chesterfield Parkway
  • I-64, St. Louis County, 7 p.m. to 9 a.m., up to two westbound lanes closed from Chesterfield Parkway to the Missouri River Bridge.
  • I-64, St. Louis County, 8 p.m. to 6 a.m., one left lane closed eastbound and westbound between Mason and the Missouri River Bridge.
  • Route D, St. Louis City, 6 a.m. to 5 p.m., one lane closed eastbound and westbound between Skinker and Tucker.
  • Route 61/67, St. Louis County, 6 a.m. to 3 p.m., one northbound and southbound lane from Meramec River to Lindbergh.
  • Route 231, St. Louis County, 7 p.m. to 5 a.m., one northbound and southbound lane closed from I-255 to Blackforest Avenue.
  • Route 231, St. Louis County, 7 p.m. to 5 a.m., one northbound and southbound lane closed from the Meramec River to Baumgartner Road.
  • Route 267, St. Louis County, 6 a.m. to 3 p.m., one lane closed from Bayless to S. Lindbergh.
  • Route 340, St. Louis County, 9 a.m. to 3 p.m., one eastbound and westbound lane closed at I-270 to North Office Parkway.
  • Route 340, St. Louis County, 7 a.m. to 3 p.m., one eastbound and westbound lane closed from I-170 to Midland Blvd.
  • Route 340, St. Louis County, 9 a.m. to 3 p.m., one westbound right lane closed from Ferguson Avenue to Pennsylvania Avenue.
  • Route 366, St. Louis County, 6 a.m. to 3 p.m., one eastbound lane closed from Laclede Station to MacKenzie.
  • Route 366, St. Louis County, 6 a.m. to 3 p.m., one westbound lane closed from New Sappington to Lindbergh.
  • Route 370, St. Louis County, 9 a.m. to 6 p.m., one lane closed eastbound and westbound between I-270 and the Missouri River.
  • Route D, St. Louis County, 9 a.m. to 3 p.m., one eastbound and westbound lane closed from Millpark to Kratky.
  • I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between Prospect Road to Route K.
  • I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route K and Prospect Road.
  • I-64/Route 61, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound and westbound lane closed between I-70 and Prospect Road.
  • I-70, St. Charles County, starting at 8 a.m. Monday, October 21, full closure of Foristell NOR between Obrien Lane and N Stringtown Road.
  • 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, 11 p.m. to 5 a.m., the southbound Route 61 to westbound I-70 ramp closed.
  • Route 370, St. Charles County, 9 a.m. to 6 p.m., one lane closed eastbound and westbound between Elm Point and the Missouri River.
  • I-55, Jefferson County, 8 p.m. to 6 a.m., one lane closed southbound between Route M and Route Z.
  • Route 67, Jefferson County, 7 p.m. to 6 a.m., one lane closed northbound and southbound between I-55 and Route CC.

Tuesday, October 27

  • I-64, St. Louis County, 6 p.m. to 9 a.m., up to two westbound lanes closed from I-270 to Chesterfield Parkway
  • I-64, St. Louis County, 7 p.m. to 9 a.m., up to two westbound lanes closed from Chesterfield Parkway to the Missouri River Bridge.
  • I-64, St. Louis County, 8 p.m. to 6 a.m., one left lane closed eastbound and westbound between Mason and the Missouri River Bridge.
  • Route D, St. Louis City, 6 a.m. to 5 p.m., one lane closed eastbound and westbound between Skinker and Tucker.
  • Route 61/67, St. Louis County, 6 a.m. to 3 p.m., one northbound and southbound lane from Meramec River to Lindbergh.
  • Route 231, St. Louis County, 7 p.m. to 5 a.m., one northbound and southbound lane closed from I-255 to Blackforest Avenue.
  • Route 231, St. Louis County, 7 p.m. to 5 a.m., one northbound and southbound lane closed from the Meramec River to Baumgartner Road.
  • Route 267, St. Louis County, 6 a.m. to 3 p.m., one lane closed from Bayless to S. Lindbergh.
  • Route 340, St. Louis County, 9 a.m. to 3 p.m., one eastbound and westbound lane closed at I-270 to North Office Parkway.
  • Route 340, St. Louis County, 7 a.m. to 3 p.m., one eastbound and westbound lane closed from I-170 to Midland Blvd.
  • Route 340, St. Louis County, 9 a.m. to 3 p.m., one westbound right lane closed from Ferguson Avenue to Pennsylvania Avenue.
  • Route 366, St. Louis County, 6 a.m. to 3 p.m., one eastbound lane closed from Laclede Station to MacKenzie.
  • Route 366, St. Louis County, 6 a.m. to 3 p.m., one westbound lane closed from New Sappington to Lindbergh.
  • Route 370, St. Louis County, 9 a.m. to 6 p.m., one lane closed eastbound and westbound between I-270 and the Missouri River.
  • Route D, St. Louis County, 9 a.m. to 3 p.m., one eastbound and westbound lane closed from Millpark to Kratky.
  • I-64, St. Charles County, 11 p.m. to 5 a.m., the westbound I-64 to westbound I-70 ramp closed.
  • I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between Prospect Road to Route K.
  • I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route K and Prospect Road.
  • I-64/Route 61, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound and westbound lane closed between I-70 and Prospect Road.
  • I-70, St. Charles County, starting at 8 a.m. Monday, October 21, full closure of Foristell NOR between Obrien Lane and N Stringtown Road.
  • 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, 11 p.m. to 5 a.m., the southbound Route 61 to westbound I-70 ramp closed.
  • Route 370, St. Charles County, 9 a.m. to 6 p.m., one lane closed eastbound and westbound between Elm Point and the Missouri River.
  • I-55, Jefferson County, 8 p.m. to 6 a.m., one lane closed southbound between Route M and Route Z.
  • Route 67, Jefferson County, 7 p.m. to 6 a.m., one lane closed northbound and southbound between I-55 and Route CC.

Wednesday, October 28

  • I-44, St. Louis County, 9 a.m. to 3:30 p.m., one westbound lane closed over Williams Creek.
  • I-64, St. Louis County, 6 p.m. to 9 a.m., up to two westbound lanes closed from I-270 to Chesterfield Parkway
  • I-64, St. Louis County, 7 p.m. to 9 a.m., up to two westbound lanes closed from Chesterfield Parkway to the Missouri River Bridge.
  • I-64, St. Louis County, 8 p.m. to 6 a.m., one left lane closed eastbound and westbound between Mason and the Missouri River Bridge.
  • Route D, St. Louis City, 6 a.m. to 5 p.m., one lane closed eastbound and westbound between Skinker and Tucker.
  • Route 61/67, St. Louis County, 6 a.m. to 3 p.m., one northbound and southbound lane from Meramec River to Lindbergh.
  • Route 231, St. Louis County, 7 p.m. to 5 a.m., one northbound and southbound lane closed from I-255 to Blackforest Avenue.
  • Route 231, St. Louis County, 7 p.m. to 5 a.m., one northbound and southbound lane closed from the Meramec River to Baumgartner Road.
  • Route 267, St. Louis County, 6 a.m. to 3 p.m., one lane closed from Bayless to S. Lindbergh.
  • Route 340, St. Louis County, 9 a.m. to 3 p.m., one eastbound and westbound lane closed at I-270 to North Office Parkway.
  • Route 340, St. Louis County, 7 a.m. to 3 p.m., one eastbound and westbound lane closed from I-170 to Midland Blvd.
  • Route 340, St. Louis County, 9 a.m. to 3 p.m., one westbound right lane closed from Ferguson Avenue to Pennsylvania Avenue.
  • Route 366, St. Louis County, 6 a.m. to 3 p.m., one eastbound lane closed from Laclede Station to MacKenzie.
  • Route 366, St. Louis County, 6 a.m. to 3 p.m., one westbound lane closed from New Sappington to Lindbergh.
  • Route 370, St. Louis County, 9 a.m. to 6 p.m., one lane closed eastbound and westbound between I-270 and the Missouri River.
  • Route D, St. Louis County, 9 a.m. to 3 p.m., one eastbound and westbound lane closed from Millpark to Kratky.
  • I-64, St. Charles County, 11 p.m. to 5 a.m., the westbound I-64 to westbound I-70 ramp closed.
  • I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between Prospect Road to Route K.
  • I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route K and Prospect Road.
  • I-64/Route 61, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound and westbound lane closed between I-70 and Prospect Road.
  • I-70, St. Charles County, starting at 8 a.m. Monday, October 21, full closure of Foristell NOR between Obrien Lane and N Stringtown Road.
  • 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 370, St. Charles County, 9 a.m. to 6 p.m., one lane closed eastbound and westbound between Elm Point and the Missouri River.
  • I-55, Jefferson County, 8 p.m. to 6 a.m., one lane closed southbound between Route M and Route Z.
  • Route 67, Jefferson County, 7 p.m. to 6 a.m., one lane closed northbound and southbound between I-55 and Route CC.

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MoDOT - Missouri Department of Transportation published this content on October 21, 2026, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on October 21, 2026 at 15:30 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]