St. Louis Work Zones August 31- September 6

ST. LOUIS – The Missouri Department of Transportation will limit work on interstates and state highways starting at noon on Friday, Sept. 1 through 4 a.m. Tuesday, Sept. 5 to help people travel around the state during the Labor Day holiday weekend.

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 Welcome to Gateway Guide! | Missouri Department of Transportation (modot.org). 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, two left lanes closed northbound and southbound between Lindbergh and Gravois until December 2023.
• I-55, St. Louis City, the ramp from Germania to northbound and the ramp from Loughborough to northbound will be closed through 2023.
• I-55, St. Louis City, the ramp from northbound to Loughborough will be closed through 2023.
• I-55, St. Louis City, the ramp from Lafayette/Truman, the ramp from Arsenal and the ramp from Cherokee to southbound I-55 will be closed through December 2023.
• I-44, St. Louis County, northbound outer ramp from Lewis Rd. closed through December 2023.
• I-44, St. Louis County, one lane closed eastbound between Williams Road and Lewis Road through December 2023.
• I-64, St. Louis County, one eastbound lane closed east of Ballas Rd. through September 2023.
• I-64, St. Louis County, one southbound lane closed on the I-270 ramp to eastbound I-64 over Ballas through September 2023.
• I-64, St. Louis County, the eastbound exit ramp to Ballas is closed through September.
• I-70, St. Louis County, southbound lanes of McDonnell Boulevard over I-70 closed through the end of December 2023.
• I-70, St. Louis County, starting at 7 p.m. Tuesday, Sept. 5, one eastbound lane closed between McDonnel Blvd. and I-170.
• I-70, St. Louis County, starting at 7 p.m., Tuesday, Sept. 5 one lane of Lambert International Blvd. and Route 115 (Natural Bridge) entrance ramp to eastbound I-70 closed.
• I-170, St. Louis County, the Lackland Bridge over the interstate closed through the end of December 2023.
• I-170, St. Louis County, one southbound right lane south of Route 180 closed through the end of December 2023.
• I-270, St. Louis County, the ramp from westbound to northbound Route 367 will be closed through mid-October 2023.
• I-270, St. Louis County, one lane is closed on the one-way outer road (Dunn Road) from New Halls Ferry to Washington/Elizabeth.
• I-270, St. Louis County, Riverview Dr. entrance ramp to eastbound I-270 closed through July 2024.
• I-270, St. Louis County, southbound Riverview Dr. under I-270 closed through 2024.
• I-270, St. Louis County, one southbound lane on New Florissant under the interstate will be closed through October 2023.
• I-270, St. Louis County, westbound ramp to northbound Route 367 closed through mid-October 2023.
• I-255, St. Louis County, one lane on eastbound and westbound closed between Telegraph Rd. and Illinois through December 2023.
• I-255, St. Louis County, the ramp from westbound to Koch Road is closed through December 2023.
• Route 30, St. Louis County, one westbound lane closed across the Meramec River through October 2023.
• Route 67, St. Louis County, one northbound and southbound lane closed north of Route 94 through the end of December 2023.
• Route 100, St. Louis County, one eastbound lane closed from Andrew Drive to Monier Place through mid-September 2023.
• Route 141, St. Louis County, southbound 141 closed between Lakefront and Shoreline Drive through fall 2023.
• Route 340, St. Louis County, one westbound lane closed between Old Riverwoods to Appalachian Trail through early September 2023.
• Dunn Rd., St. Louis County, closed intermittently from Linnell to Route 367 through December 2023.
• Route P (Mackenzie Rd.), starting Tuesday, Sept. 5, one northbound lane closed to eastbound Watson Rd.
• Route 364, St. Charles County, one right lane closed westbound between Muegge Road and Arena Parkway through December 2023.
• Route M, Jefferson County, one eastbound and one westbound lane closed from St. Lukes to east of Moss Hollow through December 2023.
• Route 21, Jefferson County, one lane closed southbound from Meramec Heights to Shady Valley through late fall 2023.
• Route 21, Jefferson County, one lane closed southbound over Route M and Heads Creek until mid-September 2023.

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

Thursday, August 31

• I-44/I-270, St. Louis County, 8 p.m. to 5 a.m., two westbound lanes closed west of northbound/southbound I-270.
• I-44/I-270, St. Louis County, 7 p.m. to 5 a.m., two northbound I-270 lanes closed on Cragwold Rd. overpass.
• I-70, St. Louis County, starting at 9 p.m. through 5 a.m. Friday, eastbound right lane closed between Route 115 (Natural Bridge Road) and McDonnell Boulevard.
• I-170, St. Louis County, 9 a.m. to 2 p.m., left lane closed on the ramp from northbound I-170 to eastbound I-270.
• I-170, St. Louis County, 8 p.m. to 5 a.m., two northbound and southbound lanes closed south of Route 180 (St. Charles Rock Rd.).
• I-270, St. Louis County, 6 a.m. to 3 p.m., one northbound and southbound lane of New Halls Ferry Road closed under I-270.
• I-270, St. Louis County, 7 p.m. to 6 a.m., up to two lanes closed eastbound and westbound between Hanley Road and West Florissant Road.
• I-270, St. Louis County, 7 a.m. to 2 p.m., one lane of eastbound and westbound closed at New Halls Ferry.
• I-270, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed at New Florissant.
• I-270, St. Louis County, 6 a.m. to 2 p.m., one eastbound and westbound lane closed between West Florissant to Route 367.
• I-270, St. Louis County, 6 a.m. to 3 p.m., one lane closed on Dunn Rd. between West Florissant and Washington/Elizabeth.
• I-270, St. Louis County, 6 a.m. to 3 p.m., one lane closed on Pershall between Hanley and West Florissant.
• Route 100 (Manchester), St. Louis County, 6 a.m. to 4 p.m., one eastbound and westbound lane close from Kortwright to Kenmore.
• Route 100, St. Louis County, 6 a.m. to 2 p.m., one westbound lane closed from Lindbergh Blvd. to Geyer Rd.
• Route 100, St. Louis County, 4 a.m. to 12 p.m., one eastbound lane closed from I-270 to Ballas Road.
• Route 109, St. Louis County, 7 p.m. to 5 a.m., one lane closed from Woods Road to Old Manchester Road. Flaggers will direct traffic through the work zone.
• Route 109, St. Louis County, 7 p.m. to 5 a.m., one northbound and southbound lane closed from Route W to Old Manchester Road.
• Route 180, St. Louis County, 10 p.m. to 9 a.m., one eastbound and westbound lane closed between I-70 and I-270.
• Route 367, St. Louis County, 7 p.m. to 7 a.m., one northbound and southbound lane closed between I-270 to the city.
• Route 367, St. Louis County, 7 a.m. to 3 p.m., one lane closed under I-270.
• Route 367, St. Louis County, 7 p.m.to 7 a.m., one northbound and southbound lane of Coldwater Creek bridge closed north of Halls Ferry Circle.
• Route P (MacKenzie Road), St. Louis County, 7 a.m. to 4 p.m., one northbound lane closed between Preservation Parkway and Villanova Place.
• Route P (MacKenzie Road), St. Louis County, 7 a.m. to 4 p.m., one southbound lane closed from Hegge Road to Preservation Parkway.
• I-70, St. Charles County, 9 p.m. to 5 a.m., up to three lanes closed westbound at the Dardenne Creek Bridge.
• I-70, St. Charles County, 9 a.m. to 3 p.m., one eastbound lane closed at Cave Springs.
• I-70, St. Charles County, 6 a.m. to 3 p.m., one westbound lane closed at Cave Springs.
• Route 50, Franklin County, 6:30 a.m. to 3 p.m., one eastbound lane closed from Frank Street to northbound Route 47.
• Route 50, Franklin County, 7 a.m. to 3 p.m., one eastbound and westbound lane closed between Route 47 northbound and southbound.
• Route 21, Jefferson County, 6 a.m. to 6 p.m., one northbound lane closed between Shenk Road and Shady Valley.
• Route 21, Jefferson County, 3:30 p.m. to 2 a.m., one northbound lane closed from Schenk Rd. to Route 141.
• Route 61/67, Jefferson County, 6 a.m. to 3:30 p.m., one northbound and southbound lane closed from the Meramec River to Church Road. 

Friday, September 1

• I-270, St. Louis County, 6 a.m. to 3 p.m., one northbound and southbound lane of New Halls Ferry Road closed under I-270.
• I-270, St. Louis County, 7 p.m. to 6 a.m., up to two lanes closed eastbound and westbound between Hanley Road and West Florissant Road.
• I-270, St. Louis County, 7 a.m. to 12 p.m., one lane of eastbound and westbound closed at New Halls Ferry.
• I-270, St. Louis County, 6 a.m. to 12 p.m., one northbound and southbound lane closed on New Florissant.
• I-270, St. Louis County, 6 a.m. to 12 p.m., one eastbound and westbound lane closed between West Florissant to Route 367.
• I-270, St. Louis County, 6 a.m. to 3 p.m., one lane closed on Dunn between West Florissant and Washington/Elizabeth.
• I-270, St. Louis County, 6 a.m. to 3 p.m., one lane closed on Pershall between Hanley and West Florissant.
• I-170, St. Louis County, 9 a.m. to 12 p.m., left lane closed on the ramp from northbound I-170 to eastbound I-270.
• Route 100 (Manchester), St. Louis County, 6 a.m. to 4 p.m., one eastbound and westbound lane close from Kortwright to Kenmore.
• Route 100, St. Louis County, 6 a.m. to 2 p.m., one westbound lane closed from Lindbergh Blvd. to Geyer Rd.
• Route 367, St. Louis County, 7 a.m. to 12 p.m., one lane closed under I-270.
• Route P (MacKenzie Road), St. Louis County, 7 a.m. to 4 p.m., one northbound lane closed between Preservation Parkway to Villanova Place.
• Route P (MacKenzie Road), St. Louis County, 7 a.m. to 4 p.m., one southbound lane closed from Hegge to Preservation Parkway.
• I-70, St. Charles County, 9 a.m. to 12 p.m., one eastbound lane closed at Cave Springs.
• I-70, St. Charles County, 6 a.m. to 12 p.m., one westbound lane closed at Cave Springs.
• Route 50, Franklin County, 6:30 a.m. to 12 p.m., one eastbound lane closed from Frank Street to northbound Route 47.
• Route 50, Franklin County, 7 a.m. to 12 p.m., one eastbound and westbound lane closed between Route 47 northbound and southbound.
• Route 21, Jefferson County, 6 a.m. to 12 p.m., one northbound lane closed between Shenk Road and Shady Valley.
• Route 61/67, Jefferson County, 6 a.m. to 12 p.m., one northbound and southbound lane closed from the Meramec River to Church Road.

Saturday, September 2

• No scheduled work zones due to Labor Day holiday. 

Sunday, September 3

• No scheduled work zones due to Labor Day holiday. 

Monday, September 4

• I-70, St. Charles County, 9 p.m. to 5 a.m., up to three lanes closed westbound at the Dardenne Creek Bridge.

Tuesday, September 5

• I-44, St. Louis County, 8 p.m. to 5 a.m., one eastbound and westbound lane closed under I-270.
• I-44/I-270, St. Louis County, 7 p.m. to 5 a.m., two northbound I-270 lanes closed on Cragwold Rd. overpass.
• I-55, St. Louis County, 8 p.m. to 5 a.m., one northbound and southbound lane closed at I-270/I-255.
• I-70, St. Louis County, starting at 7 p.m., eastbound right lane closed between Route 115 (Natural Bridge Road) and McDonnell Boulevard.
• I-70, St. Louis County, 10 p.m. to 2 a.m., eastbound I-70 exit ramp to northbound I-170 closed.
• I-270, St. Louis County, 9 p.m. to 5 a.m., up to two lanes closed northbound under I-64.
• I-270, St. Louis County, 6 a.m. to 3 p.m., one lane closed eastbound and westbound at the Route 367 flyover ramp.
• I-270, St. Louis County, 6 a.m. to 3 p.m., one northbound and southbound lane of New Halls Ferry Road closed under I-270.
• I-270, St. Louis County, 7 p.m. to 6 a.m., up to two lanes closed eastbound and westbound between Hanley Road and West Florissant Road.
• I-270, St. Louis County, 7 a.m. to 2 p.m., one lane of eastbound and westbound closed at New Halls Ferry.
• I-270, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed on New Florissant.
• I-270, St. Louis County, 6 a.m. to 2 p.m., one eastbound and westbound lane closed between West Florissant to Route 367.
• I-270, St. Louis County, 6 a.m. to 3 p.m., one lane closed on Dunn between West Florissant and Washington/Elizabeth.
• I-270, St. Louis County, 6 a.m. to 3 p.m., one lane closed on Pershall between Hanley and West Florissant.
• I-170, St. Louis County, 9 a.m. to 2 p.m., left lane closed on the ramp from northbound I-170 to eastbound I-270.
• I-170, St. Louis County, 8 p.m. to 5 a.m., two southbound lanes closed from I-70 to south of Route 180 (St. Charles Rock Rd.).
• Route 100 (Manchester), St. Louis County, 6 a.m. to 4 p.m., one eastbound and westbound lane close from Kortwright to Kenmore.
• Route 100, St. Louis County, 6 a.m. to 2 p.m., one westbound lane closed from Lindbergh Blvd. to Geyer Rd.
• Route 100, St. Louis County, 4 a.m. to 12 p.m., one eastbound lane closed from I-270 to Ballas Road.
• Route 109, St. Louis County, 7 p.m. to 5 a.m., one lane closed from Woods Road to Old Manchester Road. Flaggers will direct traffic through the work zone.
• Route 109, St. Louis County, 7 p.m. to 5 a.m., one northbound and southbound lane closed from Route W to Old Manchester Road.
• Route 180, St. Louis County, 10 p.m. to 9 a.m., one eastbound and westbound lane closed between I-70 and I-270.
• Route 367, St. Louis County, 7 a.m. to 3 p.m., one lane closed under I-270.
• Route P (MacKenzie Road), St. Louis County, 7 a.m. to 4 p.m., one northbound lane closed between Preservation Parkway and Villanova Place.
• Route P (MacKenzie Road), St. Louis County, 7 a.m. to 4 p.m., one southbound lane closed from Hegge Road to Preservation Parkway.
• I-70, St. Charles County, 9 a.m. to 3 p.m., one eastbound lane closed at Cave Springs.
• I-70, St. Charles County, 6 a.m. to 3 p.m., one westbound lane closed at Cave Springs.
• I-70, St. Charles County, 9 p.m. to 5 a.m., up to three lanes closed westbound at the Dardenne Creek Bridge.
• I-70, St. Charles County, 9 p.m. to 5 a.m., up to three lanes closed eastbound from TR Hughes to Mid-River.
• Route 50, Franklin County, 6:30 a.m. to 3 p.m., one eastbound lane closed from Frank Street to northbound Route 47.
• Route 50, Franklin County, 7 a.m. to 3 p.m., one eastbound and westbound lane closed between Route 47 northbound and southbound.
• Route 50, Franklin County, 7 p.m. to 5 a.m., one eastbound and westbound lane closed from Independence to southbound Route 47.
• Route 21, Jefferson County, 6 a.m. to 6 p.m., one northbound lane closed between Shenk Road and Shady Valley.
• Route 61/67, Jefferson County, 6 a.m. to 3:30 p.m., one northbound and southbound lane closed from the Meramec River to Church Road.

Wednesday, September 6

• I-44, St. Louis County, 8 p.m. to 5 a.m., one eastbound and westbound lane closed under I-270.
• I-44/I-270, St. Louis County, 7 p.m. to 5 a.m., two northbound I-270 lanes closed on Cragwold Rd. overpass.
• I-55, St. Louis County, 8 p.m. to 5 a.m., one northbound and southbound lane closed at I-270/I-255.
• I-70, St. Louis County, eastbound right lane closed between Route 115 (Natural Bridge Road) and McDonnell Boulevard.
• I-70, St. Louis County, 10 p.m. to 2 a.m., eastbound I-70 exit ramp to northbound I-170 closed.
• I-270, St. Louis County, 6 a.m. to 3 p.m., one northbound and southbound lane of New Halls Ferry Road closed under I-270.
• I-270, St. Louis County, 7 p.m. to 6 a.m., up to two lanes closed eastbound and westbound between Hanley Road and West Florissant Road.
• I-270, St. Louis County, 9 p.m. to 5 a.m., up to two lanes closed northbound under I-64.
• I-270, St. Louis County, 7 a.m. to 2 p.m., one lane of eastbound and westbound closed at New Halls Ferry.
• I-270, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed on New Florissant.
• I-270, St. Louis County, 6 a.m. to 2 p.m., one eastbound and westbound lane closed between West Florissant to Route 367.
• I-270, St. Louis County, 6 a.m. to 3 p.m., one lane closed on Pershall between Hanley and West Florissant.
• I-270, St. Louis County, 6 a.m. to 3 p.m., one lane closed on Dunn between West Florissant and Washington/Elizabeth.
• I-170, St. Louis County, 9 a.m. to 2 p.m., left lane closed on the ramp from northbound I-170 to eastbound I-270.
• I-170, St. Louis County, 8 p.m. to 5 a.m., two southbound lanes closed from I-70 to south of Route 180 (St. Charles Rock Rd.).
• I-170, St. Louis County, 8 p.m. to 5 a.m., two northbound lanes closed from I-70 to south 10 Route 180 (St. Charles Rock Rd.).
• Route 100 (Manchester), St. Louis County, 6 a.m. to 4 p.m., one eastbound and westbound lane close from Kortwright to Kenmore.
• Route 100, St. Louis County, 6 a.m. to 2 p.m., one westbound lane closed from Lindbergh Blvd. to Geyer Rd.
• Route 100, St. Louis County, 4 a.m. to 12 p.m., one eastbound lane closed from I-270 to Ballas Road.
• Route 109, St. Louis County, 7 p.m. to 5 a.m., one lane closed from Woods Road to Old Manchester Road. Flaggers will direct traffic through the work zone.
• Route 109, St. Louis County, 7 p.m. to 5 a.m., one northbound and southbound lane closed from Route W to Old Manchester Road.
• Route 180, St. Louis County, 10 p.m. to 9 a.m., one eastbound and westbound lane closed between I-70 and I-270.
• Route 367, St. Louis County, 7 a.m. to 3 p.m., one lane closed under I-270.
• Route P (MacKenzie Road), St. Louis County, 7 a.m. to 4 p.m., one northbound lane closed between Preservation Parkway and Villanova Place.
• Route P (MacKenzie Road), St. Louis County, 7 a.m. to 4 p.m., one southbound lane closed from Hegge Road to Preservation Parkway.
• I-70, St. Charles County, 9 a.m. to 3 p.m., one eastbound lane closed at Cave Springs.
• I-70, St. Charles County, 6 a.m. to 3 p.m., one westbound lane closed at Cave Springs.
• I-70, St. Charles County, 9 p.m. to 5 a.m., up to three lanes closed westbound at the Dardenne Creek Bridge.
• I-70, St. Charles County, 9 p.m. to 5 a.m., up to three lanes closed eastbound from TR Hughes to Mid-River.
• Route 79, St. Charles County, 7:30 p.m. to 5 a.m., southbound Route 79 lane closed from north of T.R. Hughes Boulevard to Old Missouri 79 and Salt River Road. Flaggers will direct traffic through the work zone.
• Route 50, Franklin County, 6:30 a.m. to 3 p.m., one eastbound lane closed from Frank Street to northbound Route 47.
• Route 50, Franklin County, 7 a.m. to 3 p.m., one eastbound and westbound lane closed between Route 47 northbound and southbound.
• Route 50, Franklin County, 7 p.m. to 5 a.m., one eastbound and westbound lane closed from Independence to southbound Route 47.
• Route 21, Jefferson County, 6 a.m. to 6 p.m., one northbound lane closed between Shenk Road and Shady Valley.
• Route 61/67, Jefferson County, 6 a.m. to 3:30 p.m., one northbound and southbound lane closed from the Meramec River to Church Road.

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