St. Louis Work Zones Sept. 25 - Oct. 1

ST. LOUIS — Drivers who use westbound Interstate 44 under Interstate 270 will need to find alternate routes this weekend, as MoDOT crews will close all westbound lanes of the interstate, as well as the ramp from northbound I-270 to westbound I-44 for bridge repairs.

All westbound lanes on I-44 between Exit 276 and the Meramec River will be closed to make these repairs, as well as the ramp from northbound I-270 to WB I-44 starting Friday, Sept. 26 at 10 p.m. until Monday, Sept. 29 at 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.

All work is subject to change and may be shifted due to inclement weather. 

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, one northbound lane closed from I-270 to eastbound I-44 ramp; to northbound 1-270 to westbound I-44 ramp.
• I-270, St. Louis County, various northbound and southbound lanes narrowed between I-64 and Olive through late 2025.
• I-270, St. Louis County, Conway closed under I-270 through fall 2025.
• 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.
• I-270, St. Louis County, the ramp from eastbound to southbound I-170 will be closed through September.
• Route 21, St. Louis County, one lane northbound and southbound will be closed between Gravois Creek and Grant’s Trail through late 2025.
• 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 from Washington to St. Ferdinand.
• Route 67, St. Louis County, one lane closed northbound and southbound over Lynn Haven Lane and Taylor Road through December. Lynn Haven Lane/Taylor Road will be closed in both directions.
• Route 141, St. Louis County, one southbound lane closed at I-64 and one eastbound/westbound exit ramp closed through 2025.
• 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.
• Route AC, St. Louis County, one northbound and one southbound lane closed at Maline Creek (just south of Lucas & Hunt).
• I-64, St. Charles County, two westbound lanes closed on the Daniel Boone Bridge over the Missouri River. One westbound lane remains on the westbound bridge and two westbound lanes shifted to the eastbound bridge through December 2025.
• I-64, St. Charles County, North Outer Road/Technology Drive bridge closed through 2025.
• Route 61, St. Charles County, the ramp from southbound to westbound I-70 closed through October.
• Route K, St. Charles County, one lane on and the ramp to eastbound I-64 closed through September 20.
• Route 100, Franklin County, one eastbound lane closed on the Eastern Missouri Railroad bridge near Villa Ridge.
• 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, one northbound lane closed just before Route 67.
• I-55, Jefferson County, one lane closed on Herky Horine Road under southbound through October.
• Route 61, Jefferson County, one lane closed over I-55.
• 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, Jefferson County, closed between Route T and Coleman Rd.

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

Thursday, September 25

• I-64, St. Louis City, 6 a.m. to 2 p.m., one lane closed eastbound between 22nd Street and 6th
• I-64, St. Louis City, 9 a.m. to 3 p.m., one lane closed westbound between Broadway and 22nd
• I-170, St. Louis County, 8:30 p.m. to 5 a.m., one southbound lane closed from Scudder Road to Route 115 and one lane and ramp under the westbound I-70 overpass closed.
• I-44, St. Louis County, 8 a.m. to 2 p.m., one turn lane closed on the south outer road at Valley Park Drive. Turning traffic can use the right lane to turn.
• I-170, St. Louis County, 9 p.m. to 6 a.m., one northbound lane closed from Route 115 to Scudder Road and one lane and ramp under the eastbound I-70 overpass and the ramp to westbound I-70.
• I-170, St. Louis County, 6 a.m. to 5 p.m., one lane closed along Pershall Road between Hanley and Hazelwood Avenue.
• I-255, St. Louis County, 8 p.m. to 5 a.m., one lane closed southbound between I-55 and Koch Rd.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane between I-270 and Butler Hill Road.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed between Lindbergh and Green Park.
• Route 21, St. Louis County, 7 p.m. to 5 a.m., one northbound/southbound lane closed betweenI-270 and Lin Ferry.
• Route 67, St. Louis County, 9 a.m. to :30 p.m., one southbound lane closed in the Lindbergh Tunnel.
• Route 100, St. Louis County, 7 p.m. to 6 a.m., one eastbound and westbound lane closed between Highway OO and Booness Lane. A pilot car will help direct traffic through the work zone.
• Route 100, St. Louis County, 7 p.m. to 6 a.m., one westbound lane closed between St. Albans and West Glenn.
• Route 109, St. Louis County, 7 p.m. to 5 a.m., one northbound/southbound lane closed at Clayton Road.
• Route 115, St. Louis County, 8 p.m. to 5 a.m., one lane closed eastbound and westbound from I-70 to Hanley.
• Route 115, St. Louis County, 9 a.m. to 3 p.m., one lane closed eastbound and westbound from I-70 to Hanley.
• Route 141, St. Louis County, 9 p.m. to 5 a.m., one northbound and southbound lane closed from Casino Center Dr. to Rider Trail South.
• Route 267, St. Louis County, 5 a.m. to 2 p.m. one northbound lane closed Mehlville Court to Buckley.
• Route 340, St. Louis County, 8 a.m. to 2 p.m., the right turn lanes will be closed at Route 100.
• Route 340, St. Louis County, 8 a.m. to 2 p.m., one lane closed at Old Bonhomme.
• Route 340, St. Louis County, 9 a.m. to 3 p.m., one eastbound and westbound lane closed between Warson and I-170.
• Route 366, St. Louis County, 6 a.m. to 3 p.m., one westbound lane closed from Laclede Station Rd. to Grant.
• Route AB, St. Louis County, 7 a.m. to 3 p.m., one eastbound lane closed between Ladue Woods Estates and Worthington Oaks Drive.
• Route AB, St. Louis County, 7 a.m. to 3 p.m., one lane closed eastbound between Worthington Oaks Drive and Belle Maison Lane.
• Route AB, St. Louis County, one eastbound lane closed between Route 141 and Babler Rd.
• Route BA, St. Louis County, 9 a.m. to 3 p.m., one lane closed at Bonhomme Creek. Flaggers will direct traffic through the work zone.
• Route CC, St. Louis County, 8 a.m. to 2 p.m., the right turn lanes will be closed at Chesterfield Airport Road.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed from I-70 to Route K.
• I-64, St. Charles County, 8 p.m. to 7 a.m., one westbound lane closed from I-70 to Route K.
• 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 lane closed westbound from Route A to Route Z.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one westbound lane closed between Wentzville Parkway to Foristell.
• Route 370, St. Charles County, 6 p.m. to 5:30 a.m., one eastbound/westbound lane closed between I-270 and the Missouri River.
• Route 370, St. Charles County, 7 p.m.to 5:30 a.m., two lanes closed westbound between Elm Point and the Missouri River.
• Route Z, St. Charles County, 10 p.m. to 5 a.m., closed at I-70.
• I-44, Franklin County, 9 p.m. to 5 a.m., one eastbound lane closed at St. Clair rest area exit.
• Route 100, Franklin County, 7 p.m. to 5 a.m., one eastbound/westbound lane closed from I-44 Gray Summit exit to I-44 Route M.
• Route 100, Franklin County, 8 a.m. to 3 p.m., one eastbound/westbound lane closed from Route OO to I-44 Gray Summit exit. Flaggers will direct traffic through the work zone.
• I-55, Jefferson County, 7 p.m. to 6 a.m., two northbound and southbound lanes closed over Route M. Eastbound Route M to northbound I-55 ramp closed.
• Route MM, Jefferson County, 8 a.m. to 3 p.m., one lane closed eastbound and westbound between Route 30 and Route M.

Friday, September 26

• I-64, St. Louis City, 6 a.m. to 2 p.m., one lane closed eastbound between 22nd Street and 6th
• I-64, St. Louis City, 9 a.m. to 3 p.m., one lane closed westbound between Broadway and 22nd
• I-44, St. Louis County, 8 a.m. to 2 p.m., one turn lane closed on the south outer road at Valley Park Drive. Turning traffic can use the right lane to turn.
• I-44, St. Louis County, starting at 10 p.m. until 5 a.m. Monday, Sept. 29, northbound I-270 ramp to westbound I-44 and westbound Route 366 rap to westbound I-44 closed.
• I-170, St. Louis County, 8:30 p.m. to 5 a.m., one southbound lane closed from Scudder Road to Route 115 and one lane and ramp under the westbound I-70 overpass closed.
• I-170, St. Louis County, 9 p.m. to 7 a.m., one northbound lane closed from Route 115 to Scudder Road and one lane and ramp under the eastbound I-70 overpass and the ramp to westbound I-70.
• I-170, St. Louis County, 6 a.m. to 5 p.m., one lane closed along Pershall Road between Hanley and Hazelwood Avenue.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane between I-270 and Butler Hill Road.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed between Lindbergh and Green Park.
• Route 21, St. Louis County, 7 p.m. to 5 a.m., one northbound/southbound lane closed betweenI-270 and Lin Ferry.
• Route 100, St. Louis County, 7 p.m. to 6 a.m., one eastbound and westbound lane closed between Highway OO and Booness Lane. A pilot car will help direct traffic through the work zone.
• Route 100, St. Louis County, 7 p.m. to 6 a.m., one westbound lane closed between St. Albans and West Glenn.
• Route 115, St. Louis County, 8 p.m. to 5 a.m., one lane closed eastbound and westbound from I-70 to Hanley.
• Route 115, St. Louis County, 9 a.m. to 3 p.m., one lane closed eastbound and westbound from I-70 to Hanley.
• Route 141, St. Louis County, 9 p.m. to 5 a.m., one northbound and southbound lane closed from Casino Center Dr. to Rider Trail South.
• Route 267, St. Louis County, 5 a.m. to 2 p.m. one northbound lane closed Mehlville Court to Buckley.
• Route 340, St. Louis County, 8 a.m. to 2 p.m., the right turn lanes will be closed at Route 100.
• Route 340, St. Louis County, 8 a.m. to 2 p.m., one lane closed at Old Bonhomme.
• Route 340, St. Louis County, 9 a.m. to 3 p.m., one eastbound and westbound lane closed between Warson and I-170.
• Route 366, St. Louis County, 6 a.m. to 3 p.m., one westbound lane closed from Laclede Station Rd. to Grant.
• Route AB, St. Louis County, 7 a.m. to 3 p.m., one eastbound lane closed between Ladue Woods Estates and Worthington Oaks Drive.
• Route AB, St. Louis County, 7 a.m. to 3 p.m., one lane closed eastbound between Worthington Oaks Drive and Belle Maison Lane.
• Route AB, St. Louis County, one eastbound lane closed between Route 141 and Babler Rd.
• Route CC, St. Louis County, 8 a.m. to 2 p.m., the right turn lanes will be closed at Chesterfield Airport Road.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed from I-70 to Route K.
• I-64, St. Charles County, 8 p.m. to 7 a.m., one westbound lane closed from I-70 to Route K.
• 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 lane closed westbound from Route A to Route Z.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one westbound lane closed between Wentzville Parkway to Foristell.
• Route 370, St. Charles County, 6 p.m. to 5:30 a.m., one eastbound/westbound lane closed between I-270 and the Missouri River.
• Route 370, St. Charles County, 7 p.m.to 5:30 a.m., two lanes closed westbound between Elm Point and the Missouri River.
• I-44, Franklin County, 8 p.m. to 5 a.m., one lane closed at Route 50.
• Route 100, Franklin County, 7 p.m. to 5 a.m., one eastbound/westbound lane closed from I-44 Gray Summit exit to I-44 Route M.
• Route 100, Franklin County, 8 a.m. to 3 p.m., one eastbound/westbound lane closed from Route OO to I-44 Gray Summit exit. Flaggers will direct traffic through the work zone.
• I-55, Jefferson County, 7 p.m. to 6 a.m., two northbound and southbound lanes closed over Route M. Eastbound Route M to northbound I-55 ramp closed.
• I-55, Jefferson County, starting at 7 p.m. to 5 a.m. Monday, Sept. 22, one northbound lane closed from Route 67 to McNutt.
• I-55, Jefferson County, 10 p.m. to 5 a.m., closed at Route 67.
• I-55, Jefferson County, starting at 10 p.m. to 5 a.m. Monday, Sept. 22, northbound off ramp to Route A and northbound on ramp from Route A closed.
• Route 67, Jefferson County, starting at 10 p.m. to 5 a.m. Monday, Sept. 22, northbound and southbound loop ramps to northbound I-55 closed.
• Route A, Jefferson County, 7 p.m. to 5 a.m., one lane closed in each direction at I-55.
• Route MM, Jefferson County, 8 a.m. to 3 p.m., one lane closed eastbound and westbound between Route 30 and Route M.

Saturday, September 27

• I-170, St. Louis County, 9 p.m. to 6 a.m., one southbound lane closed from Scudder Road to Route 115 and one lane and ramp under the westbound I-70 overpass closed.
• I-170, St. Louis County, 9 p.m. to 8 a.m., one northbound lane closed from Route 115 to Scudder Road and one lane and ramp under the eastbound I-70 overpass and the ramp to westbound I-70.
• I-170, St. Louis County, 6 a.m. to 5 p.m., one lane closed along Pershall Road between Hanley and Hazelwood Avenue.
• I-255, St. Louis County, midnight to 5 a.m. Monday, one lane closed southbound from I-55 to Koch Rd.
• Route 100, St. Louis County, 7 p.m. to 6 a.m., one eastbound and westbound lane closed between Highway OO and Booness Lane. A pilot car will help direct traffic through the work zone.
• Route 100, St. Louis County, 7 p.m. to 6 a.m., one westbound lane closed between St. Albans and West Glenn.
• Route AB, St. Louis County, 7 a.m. to 3 p.m., one lane closed eastbound between Worthington Oaks Drive and Belle Maison Lane.
• I-55, Jefferson County, one northbound lane closed from Route 67 to McNutt until 5 a.m. Monday, Sept. 22.
• Route 67, Jefferson County, northbound and southbound loop ramps to northbound I-55 closed until 5 a.m. Monday, Sept. 22.
• I-55, Jefferson County, northbound off ramp to Route A and northbound on ramp from Route A closed until 5 a.m. Monday, Sept. 22. 

Sunday, September 28

• I-55, Jefferson County, one northbound lane closed from Route 67 to McNutt until 5 a.m. Monday, Sept. 22.
• I-55, Jefferson County, northbound off ramp to Route A and northbound on ramp from Route A closed until 5 a.m. Monday, Sept. 22.
• Route 67, Jefferson County, northbound and southbound loop ramps to northbound I-55 closed until 5 a.m. Monday, Sept. 22.

Monday, September 29

• I-64, St. Louis City, 6 a.m. to 2 p.m., one lane closed eastbound between 22nd Street and 6th
• I-64, St. Louis City, 9 a.m. to 3 p.m., one lane closed westbound between Broadway and 22nd
• I-44, St. Louis County, 8 a.m. to 2 p.m., one turn lane closed on the south outer road at Valley Park Drive. Turning traffic can use the right lane to turn.
• I-170, St. Louis County, 8:30 p.m. to 5 a.m., one southbound lane closed from Scudder Road to Route 115 and one lane and ramp under the westbound I-70 overpass closed.
• I-170, St. Louis County, 9 p.m. to 6 a.m., one northbound lane closed from Route 115 to Scudder Road and one lane and ramp under the eastbound I-70 overpass and the ramp to westbound I-70.
• I-170, St. Louis County, 6 a.m. to 5 p.m., one lane closed along Pershall Road between Hanley and Hazelwood Avenue.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane between I-270 and Butler Hill Road.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed between Lindbergh and Green Park.
• Route 21, St. Louis County, 7 p.m. to 5 a.m., one northbound/southbound lane closed betweenI-270 and Lin Ferry.
• Route 100, St. Louis County, 7 p.m. to 6 a.m., one eastbound and westbound lane closed between Highway OO and Booness Lane. A pilot car will help direct traffic through the work zone.
• Route 100, St. Louis County, 7 p.m. to 6 a.m., one westbound lane closed between St. Albans and West Glenn.
• Route 100, St. Louis County, 9 a.m. to 3 p.m., one lane closed eastbound between Barrett Station Road and I-270.
• Route 109, St. Louis County, 7 p.m. to 5 a.m., one northbound/southbound lane closed at Clayton Road.
• Route 115, St. Louis County, 8 p.m. to 5 a.m., one lane closed eastbound and westbound from I-70 to Hanley.
• Route 115, St. Louis County, 9 a.m. to 3 p.m., one lane closed eastbound and westbound from I-70 to Hanley.
• Route 141, St. Louis County, 9 p.m. to 5 a.m., one northbound and southbound lane closed between Casino Center Drive and Rider Trail South.
• Route 141, St. Louis County, 10 p.m. to 5 a.m., various short term ramp closures at I-70.
• Route 141, St. Louis County, 9 p.m. to 5 a.m., westbound I-64 off ramp to southbound Route 141 closed.
• Route 141, St. Louis County, 7 p.m. to 5 a.m., up to two northbound and southbound lanes closed from Old Woods Mill Rd. ramp to just north of St. Lukes Rd.
• Route 141, St. Louis County, 9 p.m. to 5 a.m., westbound I-64 off ramp to Route 141 closed.
• Route 267, St. Louis County, 5 a.m. to 2 p.m. one northbound lane closed Mehlville Court to Buckley.
• Route 340, St. Louis County, 8 a.m. to 2 p.m., the right turn lanes will be closed at Route 100.
• Route 340, St. Louis County, 8 a.m. to 2 p.m., one lane closed at Old Bonhomme.
• Route 340, St. Louis County, 9 a.m. to 3 p.m., one eastbound and westbound lane closed between Warson and I-170.
• Route 366, St. Louis County, 6 a.m. to 3 p.m., one westbound lane closed from Laclede Station Rd. to Grant.
• Route AB, St. Louis County, 7 a.m. to 3 p.m., one lane closed eastbound between Worthington Oaks Drive and Belle Maison Lane.
• Route BA, St. Louis County, 9 a.m. to 3 p.m., one lane closed at Bonhomme Creek. Flaggers will direct traffic through the work zone.
• Route CC, St. Louis County, 8 a.m. to 2 p.m., the right turn lanes will be closed at Chesterfield Airport Road.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed from I-70 to Route K.
• I-64, St. Charles County, 8 p.m. to 7 a.m., one westbound lane closed from I-70 to Route K.
• 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 lane closed westbound from Route A to Route Z.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one westbound lane closed between Wentzville Parkway to Foristell.
• Route 370, St. Charles County, 6 p.m. to 5:30 a.m., two eastbound/westbound lanes closed between I-270 and the Missouri River.
• Route 370, St. Charles County, 7 p.m.to 5:30 a.m., two lanes closed westbound between Elm Point and the Missouri River.
• Route 100, Franklin County, 7 p.m. to 5 a.m., one eastbound/westbound lane closed from I-44 Gray Summit exit to I-44 Route M.
• Route 100, Franklin County, 8 a.m. to 3 p.m., one eastbound/westbound lane closed from Route OO to I-44 Gray Summit exit. Flaggers will direct traffic through the work zone.
• I-55, Jefferson County, 7 p.m. to 6 a.m., two northbound and southbound lanes closed over Route M. Eastbound Route M to northbound I-55 ramp closed.

Tuesday, September 30

• I-64, St. Louis City, 6 a.m. to 2 p.m., one lane closed eastbound between 22nd Street and 6th
• I-64, St. Louis City, 9 a.m. to 3 p.m., one lane closed westbound between Broadway and 22nd
• I-44, St. Louis County, 8 a.m. to 2 p.m., one turn lane closed on the south outer road at Valley Park Drive. Turning traffic can use the right lane to turn.
• I-170, St. Louis County, 8:30 p.m. to 5 a.m., one southbound lane closed from Scudder Road to Route 115 and one lane and ramp under the westbound I-70 overpass closed.
• I-170, St. Louis County, 9 p.m. to 6 a.m., one northbound lane closed from Route 115 to Scudder Road and one lane and ramp under the eastbound I-70 overpass and the ramp to westbound I-70.
• I-170, St. Louis County, 6 a.m. to 5 p.m., one lane closed along Pershall Road between Hanley and Hazelwood Avenue.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane between I-270 and Butler Hill Road.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed between Lindbergh and Green Park.
• Route 21, St. Louis County, 7 p.m. to 5 a.m., one northbound/southbound lane closed betweenI-270 and Lin Ferry.
• Route 100, St. Louis County, 7 p.m. to 6 a.m., one eastbound and westbound lane closed between Hencken and Booness. A pilot car will help direct traffic through the work zone.
• Route 100, St. Louis County, 7 p.m. to 6 a.m., one westbound lane closed between St. Albans and West Glenn.
• Route 100, St. Louis County, 9 a.m. to 3 p.m., one lane closed eastbound between Barrett Station Road and I-270.
• Route 109, St. Louis County, 7 p.m. to 5 a.m., one northbound/southbound lane closed at Clayton Road.
• Route 115, St. Louis County, 8 p.m. to 5 a.m., one lane closed eastbound and westbound from I-70 to Hanley.
• Route 115, St. Louis County, 9 a.m. to 3 p.m., one lane closed eastbound and westbound from I-70 to Hanley.
• Route 141, St. Louis County, 9 p.m. to 5 a.m., one northbound and southbound lane closed between Casino Center Drive and Rider Trail South.
• Route 141, St. Louis County, 10 p.m. to 5 a.m., various short term ramp closures at I-70.
• Route 141, St. Louis County, 9 p.m. to 5 a.m., eastbound I-64 off ramp to Route 141 closed.
• Route 141, St. Louis County, 7 p.m. to 5 a.m., up to two northbound and southbound lanes closed from Old Woods Mill Rd. ramp to just north of St. Lukes Rd.
• Route 267, St. Louis County, 5 a.m. to 2 p.m. one northbound lane closed Mehlville Court to Buckley.
• Route 340, St. Louis County, 8 a.m. to 2 p.m., the right turn lanes will be closed at Route 100.
• Route 340, St. Louis County, 8 a.m. to 2 p.m., one lane closed at Old Bonhomme.
• Route 340, St. Louis County, 9 a.m. to 3 p.m., one eastbound and westbound lane closed between Warson and I-170.
• Route 366, St. Louis County, 6 a.m. to 3 p.m., one westbound lane closed from Laclede Station Rd. to Grant.
• Route AB, St. Louis County, 7 a.m. to 3 p.m., one lane closed eastbound between Worthington Oaks Drive and Belle Maison Lane.
• Route BA, St. Louis County, 9 a.m. to 3 p.m., one lane closed at Bonhomme Creek. Flaggers will direct traffic through the work zone.
• Route CC, St. Louis County, 8 a.m. to 2 p.m., the right turn lanes will be closed at Chesterfield Airport Road.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed from I-70 to Route K.
• I-64, St. Charles County, 8 p.m. to 7 a.m., one westbound lane closed from I-70 to Route K.
• 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 lane closed westbound from Route A to Route Z.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one westbound lane closed between Wentzville Parkway to Foristell.
• Route 370, St. Charles County, 6 p.m. to 5:30 a.m., two eastbound/westbound lanes closed between I-270 and the Missouri River.
• Route 370, St. Charles County, 7 p.m.to 5:30 a.m., two lanes closed westbound between Elm Point and the Missouri River.
• Route 100, Franklin County, 7 p.m. to 5 a.m., one eastbound/westbound lane closed from I-44 Gray Summit exit to I-44 Route M.
• Route 100, Franklin County, 8 a.m. to 3 p.m., one eastbound/westbound lane closed from Route OO to I-44 Gray Summit exit. Flaggers will direct traffic through the work zone.
• I-55, Jefferson County, 7 p.m. to 6 a.m., two northbound and southbound lanes closed over Route M. Eastbound Route M to northbound I-55 ramp closed.

Wednesday, October 1

• I-64, St. Louis City, 6 a.m. to 2 p.m., one lane closed eastbound between 22nd Street and 6th
• I-64, St. Louis City, 9 a.m. to 3 p.m., one lane closed westbound between Broadway and 22nd
• I-44, St. Louis County, 8 a.m. to 2 p.m., one turn lane closed on the south outer road at Valley Park Drive. Turning traffic can use the right lane to turn.
• I-170, St. Louis County, 8:30 p.m. to 5 a.m., one southbound lane closed from Scudder Road to Route 115 and one lane and ramp under the westbound I-70 overpass closed.
• I-170, St. Louis County, 9 p.m. to 6 a.m., one northbound lane closed from Route 115 to Scudder Road and one lane and ramp under the eastbound I-70 overpass and the ramp to westbound I-70.
• I-170, St. Louis County, 6 a.m. to 5 p.m., one lane closed along Pershall Road between Hanley and Hazelwood Avenue.
• I-255, St. Louis County, 8 p.m. to 5 a.m., one lane closed southbound between I-55 and Koch Rd.
• Route 21, St. Louis County, 9 a.m. to 3 p.m., one southbound lane closed at the Meramec River.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane between I-270 and Butler Hill Road.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed between Lindbergh and Green Park.
• Route 21, St. Louis County, 7 p.m. to 5 a.m., one northbound/southbound lane closed betweenI-270 and Lin Ferry.
• Route 100, St. Louis County, 7 p.m. to 6 a.m., one eastbound and westbound lane closed between Hencken and Booness. A pilot car will help direct traffic through the work zone.
• Route 100, St. Louis County, 7 p.m. to 6 a.m., one westbound lane closed between St. Albans and West Glenn.
• Route 100, St. Louis County, 9 a.m. to 3 p.m., one lane closed eastbound between Barrett Station Road and I-270.
• Route 109, St. Louis County, 7 p.m. to 5 a.m., one northbound/southbound lane closed at Clayton Road.
• Route 115, St. Louis County, 8 p.m. to 5 a.m., one lane closed eastbound and westbound from I-70 to Hanley.
• Route 115, St. Louis County, 9 a.m. to 3 p.m., one lane closed eastbound and westbound from I-70 to Hanley.
• Route 141, St. Louis County, 9 p.m. to 5 a.m., one northbound and southbound lane closed between Casino Center Drive and Rider Trail South.
• Route 141, St. Louis County, 10 p.m. to 5 a.m., various short term ramp closures at I-70.
• Route 141, St. Louis County, 7 p.m. to 5 a.m., up to two northbound and southbound lanes closed from Old Woods Mill Rd. ramp to just north of St. Lukes Rd.
• Route 267, St. Louis County, 5 a.m. to 2 p.m. one northbound lane closed Mehlville Court to Buckley.
• Route 340, St. Louis County, 8 a.m. to 2 p.m., the right turn lanes will be closed at Route 100.
• Route 340, St. Louis County, 8 a.m. to 2 p.m., one lane closed at Old Bonhomme.
• Route 340, St. Louis County, 9 a.m. to 3 p.m., one eastbound and westbound lane closed between Warson and I-170.
• Route 366, St. Louis County, 6 a.m. to 3 p.m., one westbound lane closed from Laclede Station Rd. to Grant.
• Route AB, St. Louis County, 7 a.m. to 3 p.m., one lane closed eastbound between Worthington Oaks Drive and Belle Maison Lane.
• Route BA, St. Louis County, 9 a.m. to 3 p.m., one lane closed at Bonhomme Creek. Flaggers will direct traffic through the work zone.
• Route CC, St. Louis County, 8 a.m. to 2 p.m., the right turn lanes will be closed at Chesterfield Airport Road.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed from I-70 to Route K.
• I-64, St. Charles County, 8 p.m. to 7 a.m., one westbound lane closed from I-70 to Route K.
• 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 lane closed westbound from Route A to Route Z.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one westbound lane closed between Wentzville Parkway to Foristell.
• Route 370, St. Charles County, 6 p.m. to 5:30 a.m., two eastbound/westbound lanes closed between I-270 and the Missouri River.
• Route 370, St. Charles County, 7 p.m.to 5 :30 a.m., two lanes closed westbound between Elm Point and the Missouri River.
• Route 100, Franklin County, 8 a.m. to 3 p.m., one eastbound/westbound lane closed from Route OO to I-44 Gray Summit exit. Flaggers will direct traffic through the work zone.
• I-55, Jefferson County, 7 p.m. to 6 a.m., two northbound and southbound lanes closed over Route M.

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