St. Louis Work Zones September 14-20

ST. LOUIS – Motorists should be aware of interstate lane and ramp closures in the city of St. Louis and St. Louis county over the next week.

Weather permitting, crews will close all lanes of northbound I-55 between River City Boulevard and Broadway in the city of St. Louis to bring in concrete for new decks on several bridges along the corridor. Planned closures are:

• Friday, September 15, starting at 8 p.m., with northbound lanes reopen by 6 a.m. Saturday, September 16.
• Monday, September 18, starting at 11 p.m., with northbound lanes reopen by 5 a.m. Tuesday, September 19.

Also starting Friday, crews will close the ramp from eastbound I-44 to northbound I-270 (Exit 276) Friday, September 15 at 8 p.m. for continuing bridge preventative maintenance. The ramps to southbound I-270 and one lane from westbound I-44 to northbound I-270 will remain open.

All lanes and ramps will reopen by 5 a.m. Monday, September 18.

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-44, St. Louis City, one left lane closed from Cass to south of the Broadway overpass until mid-October 2023.
• 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-70/44, St. Louis City, Biddle on-ramp to 70/44 closed through October 2023.
• I-44, St. Louis County, northbound outer ramp from Lewis Rd. closed through December.
• I-44, St. Louis County, one lane closed eastbound between Williams Road and Lewis Road through December.
• I-64, St. Louis County, one eastbound lane and one westbound lane closed over Ballas Rd. through mid-October.
• I-70, St. Louis County, southbound lanes of McDonnell Boulevard over I-70 closed through the end of December.
• I-70, St. Louis County, one eastbound lane closed between Route 115 and McDonnell Blvd. through the end of December.
• I-70, St. Louis County, St. Louis Lambert International and Route 115 entrance ramp to eastbound I-70 closed through the end of December.
• I-170, St. Louis County, the Lackland Bridge over the interstate closed through the end of December.
• I-170, St. Louis County, one southbound right lane south of Route 180 closed through the end of December.
• I-270, St. Louis County, the ramp from westbound to northbound Route 367 will be closed through mid-October.
• I-270, St. Louis County, one lane is closed on the one-way outer road (Dunn Road) from New Halls Ferry to Washington/Elizabeth through fall 2023.
• 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.
• I-270, St. Louis County, the ramp to northbound Route 367 will be closed through mid-October.
• I-270, St. Louis County, one right lane closed on the ramp from southbound to Lemay Ferry through October.
• I-255, St. Louis County, one lane on eastbound and westbound closed between Telegraph Rd. and Illinois through December.
• I-255, St. Louis County, the ramp from westbound to Koch Road is closed through December.
• Route 30, St. Louis County, one westbound lane closed across the Meramec River through October.
• Route 67, St. Louis County, one northbound and southbound lane closed north of Route 94 through the end of December.
• Route 100, St. Louis County, one eastbound lane closed from Andrew Drive to Monier Place through mid-September.
• 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 Arrowhead Estates through early September.
• Dunn Rd., St. Louis County, closed intermittently from Linnell to Route 367 through December.
• Route 364, St. Charles County, one right lane closed westbound between Muegge Road and Arena Parkway 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.
• Route M, Jefferson County, one eastbound and one westbound lane closed from St. Lukes to east of Moss Hollow through December 2023.

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

Thursday, September 14

• I-44, St. Louis City, 10 p.m. to 9 a.m., up to two lanes closed westbound at the railroad overpass between Grand and Kingshighway.
• I-55, St. Louis City, 9 a.m. to 3 p.m., one lane closed on Utah over the interstate. A flagger will direct traffic through the work zone.
• I-44, St. Louis County, 7 p.m. to 5 a.m., up to two lanes closed from Williams Road to Lewis Road.
• I-55, St. Louis County, 8 p.m. to 5 a.m., one left lane closed on westbound I-270 and southbound I-255.
• I-70, St. Louis County, 10 p.m. to 5 a.m., one lane closed eastbound between I-170 and Springdale.
• I-70, St. Louis County, midnight to 5 a.m. the ramp from eastbound to southbound I-170 will be closed.
• I-170, St. Louis County, 9 a.m. to 2 p.m., one lane closed on the ramp from northbound to eastbound I-270.
• I-170, St. Louis County, 8 p.m. to 5 a.m., one lane closed northbound south of Route 180.
• I-270, St. Louis County, 7 a.m. to 2 p.m., one eastbound and westbound lane closed at I-270 over New Halls Ferry.
• I-270, St. Louis County, 6 a.m. to 3 p.m., one right turn lane on northbound and southbound New Halls Ferry closed
• 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, 7 p.m. to 6 a.m., up to two lanes closed eastbound and westbound between Hanley and West Florissant.
• I-270, St. Louis County, 6 a.m. to 3 p.m., one right lane closed on Pershall between Hanley and West Florissant.
• I-270, St. Louis County, 7 p.m. to 5 a.m., up to two lanes closed westbound on the Washington ramp to New Florissant.
• I-270, St. Louis County, 9 p.m. to 5 a.m., two lanes closed northbound and southbound under I-64.
• I-270, St. Louis County, 8 p.m. to 5 a.m., one right lane closed northbound and southbound at Cragwold.
• I-270, St. Louis County, 8 p.m. to 5 a.m., one left lane closed eastbound and westbound at I-44.
• Route 67, St. Louis County, 9 a.m. to 2 p.m., one lane closed northbound and southbound through the Lindbergh tunnel near the airport. Only one direction will be closed at a time.
• 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 100, St. Louis County, 7 p.m. to 5 a.m., one lane closed eastbound and westbound between Kortwright and Sturgis.
• Route 180, St. Louis County, 8 a.m. to 3 p.m., one lane closed between I-70 and I-270.
• 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 State Road.
• Route 367, St. Louis County, 7 p.m. to 6 a.m., one lane closed northbound and southbound from I-270 to the city of St. Louis.
• 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.
• Route P (MacKenzie Road), St. Louis County, 7 a.m. to 4 p.m., one lane closed on eastbound and westbound Route 366 (Watson Road).
• I-70, St. Charles County, 9 a.m. to 3 p.m., one eastbound lane closed between Cave Springs and Zumbehl.
• I-70, St. Charles County, 6 a.m. to 3 p.m. one westbound lane closed between Zumbehl and Cave Springs.
• I-70, St. Charles County, 9 p.m. to 5 a.m., up to three lanes closed eastbound and westbound at the Dardenne Creek Bridge.
• Route 79, St. Charles County, 7:30 p.m. to 5 a.m., one lane closed southbound from north of T.R. Hughes Boulevard to Old Missouri 79 and Salt River Road. Flaggers will direct traffic through the work zone.
• Route 21, Jefferson County, 6 a.m. to 6 p.m., one northbound lane closed between Shenk Road and 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.
• Route M, Jefferson County, 6 a.m. to 4 p.m., one eastbound lane closed between St. Lukes and east of Moss Hollow.

Friday, September 15

• I-55, St. Louis City, 8 p.m. to 6 a.m., all lanes closed northbound between River City Boulevard and Broadway.
• I-64, St. Louis City, 5 p.m. to 10:30 p.m., the ramps from eastbound and westbound to Hampton will be closed for the Great Forest Park Balloon Race.
• I-44, St. Louis County, 8 p.m. until 5 a.m. Monday, the ramp from eastbound to northbound I-270 will be closed.
• I-55, St. Louis County, 8 p.m. to 5 a.m., one left lane closed on westbound I-270 and southbound I-255.
• I-170, St. Louis County, 9 a.m. to 2 p.m., one lane closed on the ramp from northbound to eastbound I-270.
• I-170, St. Louis County, 7 p.m. until 5 a.m. Monday, two left lanes closed northbound and southbound south of Route 180.
• I-270, St. Louis County, 7 a.m. to 2 p.m., one eastbound and westbound lane closed at I-270 over New Halls Ferry.
• I-270, St. Louis County, 6 a.m. to 3 p.m., one right turn lane on northbound and southbound New Halls Ferry closed
• 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, 7 p.m. to 6 a.m., up to two lanes closed eastbound and westbound between Hanley and West Florissant.
• I-270, St. Louis County, 6 a.m. to 3 p.m., one right lane closed on Pershall between Hanley and West Florissant.
• I-270, St. Louis County, 9 p.m. to 5 a.m., two lanes closed northbound and southbound under I-64.
• I-270, St. Louis County, 8 p.m. to 5 a.m., one right lane closed northbound and southbound at Cragwold.
• I-270, St. Louis County, 8 p.m. to 5 a.m., one left lane closed eastbound and westbound at I-44.
• I-270, St. Louis County, 7 p.m. to 5 a.m. Monday, one right lane closed westbound from Riverview to Lilac. The ramp from Riverview to westbound I-270 will also be closed.
• 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 100, St. Louis County, 7 p.m. to 5 a.m., one lane closed eastbound and westbound between Kortwright and Sturgis.
• Route 180, St. Louis County, 8 a.m. to 3 p.m., one lane closed between I-70 and I-270.
• 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 State Road.
• Route 367, St. Louis County, 7 p.m. to 6 a.m., one lane closed northbound and southbound from I-270 to the city of St. Louis.
• 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.
• Route P (MacKenzie Road), St. Louis County, 7 a.m. to 4 p.m., one lane closed on eastbound and westbound Route 366 (Watson Road).
• I-70, St. Charles County, 9 a.m. to 3 p.m., one eastbound lane closed between Cave Springs and Zumbehl.
• I-70, St. Charles County, 6 a.m. to 3 p.m. one westbound lane closed between Zumbehl and Cave Springs.
• I-70, St. Charles County, 9 p.m. to 5 a.m., up to three lanes closed eastbound and westbound at the Dardenne Creek Bridge.
• Route 79, St. Charles County, 7:30 p.m. to 5 a.m., one lane closed southbound from north of T.R. Hughes Boulevard to Old Missouri 79 and Salt River Road. Flaggers will direct traffic through the work zone.
• Route 21, Jefferson County, 6 a.m. to 6 p.m., one northbound lane closed between Shenk Road and 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.
• Route M, Jefferson County, 6 a.m. to 4 p.m., one eastbound lane closed between St. Lukes and east of Moss Hollow.

Saturday, September 16

• I-64, St. Louis City, 3 p.m. to 7 p.m., the ramps from eastbound and westbound to Hampton will be closed for the Great Forest Park Balloon Race.
• I-64, St. Louis City, 10 p.m. to 1 a.m., the ramps from westbound to Forest Park Avenue and Walnut will be closed for the Midnight Ramble.
• I-64, St. Louis City, 10 p.m. to 1 a.m., the ramps from eastbound to Market and Walnut will be closed for the Midnight Ramble.
• Route 100, St. Louis City, noon to 2 a.m., all lanes closed between Tower Grove and Boyle for the Moonlight Ramble.
• Route 100, St. Louis City, 4 p.m. to 2 a.m., all lanes closed between Boyle and Sarah for the Moonlight Ramble.
• I-44, St. Louis County, until 5 a.m. Monday, the ramp from eastbound to northbound I-270 will be closed.
• I-270, St. Louis County, 7 a.m. to 2 p.m., one eastbound and westbound lane closed at I-270 over New Halls Ferry.
• I-270, St. Louis County, 6 a.m. to 3 p.m., one right turn lane on northbound and southbound New Halls Ferry closed
• 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, 7 p.m. to 6 a.m., up to two lanes closed eastbound and westbound between Hanley and West Florissant.
• I-270, St. Louis County, 6 a.m. to 3 p.m., one right lane closed on Pershall between Hanley and West Florissant.
• I-270, St. Louis County, until to 5 a.m. Monday, one right lane closed westbound from Riverview to Lilac. The ramp from Riverview to westbound I-270 will also be closed.
• Route 367, St. Louis County, 7 a.m. to 3 p.m., one lane closed under I-270.

Sunday, September 17

• I-44, St. Louis County, until 5 a.m. Monday, the ramp from eastbound to northbound I-270 will be closed.
• I-270, St. Louis County, until to 5 a.m. Monday, one right lane closed westbound from Riverview to Lilac. The ramp from Riverview to westbound I-270 will also be closed.

Monday, September 18

• I-55, St. Louis City, 11 p.m. to 5 a.m., all lanes closed northbound between River City Boulevard and Broadway.
• I-55, St. Louis County, 8 p.m. to 5 a.m., one left lane closed on westbound I-270 and southbound I-255.
• I-170, St. Louis County, 7 p.m. until 5 a.m. Monday, two left lanes closed northbound and southbound south of Route 180.
• I-270, St. Louis County, 7 a.m. to 2 p.m., one eastbound and westbound lane closed at I-270 over New Halls Ferry.
• I-270, St. Louis County, 6 a.m. to 3 p.m., one right turn lane on northbound and southbound New Halls Ferry closed
• 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, 7 p.m. to 6 a.m., up to two lanes closed eastbound and westbound between Hanley and West Florissant.
• I-270, St. Louis County, 6 a.m. to 3 p.m., one right lane closed on Pershall between Hanley and West Florissant.
• I-270, St. Louis County, 9 p.m. to 5 a.m., two lanes closed northbound and southbound under I-64.
• I-270, St. Louis County, 8 p.m. to 5 a.m., one right lane closed northbound and southbound at Cragwold.
• I-270, St. Louis County, 8 p.m. to 5 a.m., one left lane closed eastbound and westbound at I-44.
• I-270, St. Louis County, 9 p.m. to 6 a.m., up to two westbound lanes closed between Route 67 and Route 180.
• I-270, St. Louis County, 9 a.m. to 3 p.m., one right lane closed on Lilac over the interstate.
• 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 100, St. Louis County, 7 p.m. to 5 a.m., one lane closed eastbound and westbound between Kortwright and Sturgis.
• Route 180, St. Louis County, 8 a.m. to 3 p.m., one lane closed between I-70 and I-270.
• 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 State Road.
• Route 367, St. Louis County, 7 p.m. to 6 a.m., one lane closed northbound and southbound from I-270 to the city of St. Louis.
• 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.
• Route P (MacKenzie Road), St. Louis County, 7 a.m. to 4 p.m., one lane closed on eastbound and westbound Route 366 (Watson Road).
• I-70, St. Charles County, 9 a.m. to 3 p.m., one eastbound lane closed between Cave Springs and Zumbehl.
• I-70, St. Charles County, 6 a.m. to 3 p.m. one westbound lane closed between Zumbehl and Cave Springs.
• I-70, St. Charles County, 9 p.m. to 5 a.m., up to three lanes closed eastbound and westbound at the Dardenne Creek Bridge.
• I-70, St. Charles County, 9 p.m. to 5 a.m., up to two lanes closed eastbound and westbound over Route K.
• Route 79, St. Charles County, 7:30 p.m. to 5 a.m., one lane closed southbound from north of T.R. Hughes Boulevard to Old Missouri 79 and Salt River Road. Flaggers will direct traffic through the work zone.
• Route 21, Jefferson County, 6 a.m. to 6 p.m., one northbound lane closed between Shenk Road and 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.
• Route M, Jefferson County, 6 a.m. to 4 p.m., one eastbound lane closed between St. Lukes and east of Moss Hollow.
• Route TT, Jefferson County, 9 a.m. to 3 p.m., one lane closed over I-55. Flaggers will direct traffic through the work zone.

Tuesday, September 19

• I-55, St. Louis County, 8 p.m. to 5 a.m., one left lane closed on westbound I-270 and southbound I-255.
• I-170, St. Louis County, 7 p.m. until 5 a.m. Monday, two left lanes closed northbound and southbound south of Route 180.
• I-270, St. Louis County, 7 a.m. to 2 p.m., one eastbound and westbound lane closed at I-270 over New Halls Ferry.
• I-270, St. Louis County, 6 a.m. to 3 p.m., one right turn lane on northbound and southbound New Halls Ferry closed
• 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, 7 p.m. to 6 a.m., up to two lanes closed eastbound and westbound between Hanley and West Florissant.
• I-270, St. Louis County, 6 a.m. to 3 p.m., one right lane closed on Pershall between Hanley and West Florissant.
• I-270, St. Louis County, 9 p.m. to 5 a.m., two lanes closed northbound and southbound under I-64.
• I-270, St. Louis County, 8 p.m. to 5 a.m., one right lane closed northbound and southbound at Cragwold.
• I-270, St. Louis County, 8 p.m. to 5 a.m., one left lane closed eastbound and westbound at I-44.
• I-270, St. Louis County, 9 p.m. to 6 a.m., up to two westbound lanes closed between Route 67 and Route 180.
• 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 100, St. Louis County, 7 p.m. to 5 a.m., one lane closed eastbound and westbound between Kortwright and Sturgis.
• Route 180, St. Louis County, 8 a.m. to 3 p.m., one lane closed between I-70 and I-270.
• 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 State Road.
• Route 367, St. Louis County, 7 p.m. to 6 a.m., one lane closed northbound and southbound from I-270 to the city of St. Louis.
• 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.
• Route P (MacKenzie Road), St. Louis County, 7 a.m. to 4 p.m., one lane closed on eastbound and westbound Route 366 (Watson Road).
• I-70, St. Charles County, 9 a.m. to 3 p.m., one eastbound lane closed between Cave Springs and Zumbehl.
• I-70, St. Charles County, 6 a.m. to 3 p.m. one westbound lane closed between Zumbehl and Cave Springs.
• I-70, St. Charles County, 9 p.m. to 5 a.m., up to three lanes closed eastbound and westbound at the Dardenne Creek Bridge.
• Route 79, St. Charles County, 7:30 p.m. to 5 a.m., one lane closed southbound from north of T.R. Hughes Boulevard to Old Missouri 79 and Salt River Road. Flaggers will direct traffic through the work zone.
• Route 100, Franklin County, 9 a.m. to 3 p.m., one left lane closed over the railroad east of Route M.
• Route 21, Jefferson County, 6 a.m. to 6 p.m., one northbound lane closed between Shenk Road and 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.
• Route M, Jefferson County, 6 a.m. to 4 p.m., one eastbound lane closed between St. Lukes and east of Moss Hollow.
• Route TT, Jefferson County, 9 a.m. to 3 p.m., one lane closed over I-55. Flaggers will direct traffic through the work zone. 

Wednesday, September 20

• Route 30, St. Louis City, 9 a.m. to 3 p.m., one eastbound and westbound lane closed over I-55.
• Route 366, St. Louis City, 9 a.m. to 3 p.m., one left lane eastbound closed over the River Des Peres.
• I-44, St. Louis County, 7 p.m. to 5 a.m., one right lane closed westbound at Lewis Road. The ramp from Lewis Road to westbound will be closed as well.
• I-55, St. Louis County, 8 p.m. to 5 a.m., one left lane closed on westbound I-270 and southbound I-255.
• I-170, St. Louis County, 7 p.m. until 5 a.m. Monday, two left lanes closed northbound and southbound south of Route 180.
• I-270, St. Louis County, 7 a.m. to 2 p.m., one eastbound and westbound lane closed at I-270 over New Halls Ferry.
• I-270, St. Louis County, 6 a.m. to 3 p.m., one right turn lane on northbound and southbound New Halls Ferry closed
• 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, 7 p.m. to 6 a.m., up to two lanes closed eastbound and westbound between Hanley and West Florissant.
• I-270, St. Louis County, 6 a.m. to 3 p.m., one right lane closed on Pershall between Hanley and West Florissant.
• I-270, St. Louis County, 9 p.m. to 5 a.m., two lanes closed northbound and southbound under I-64.
• I-270, St. Louis County, 8 p.m. to 5 a.m., one right lane closed northbound and southbound at Cragwold.
• I-270, St. Louis County, 8 p.m. to 5 a.m., one left lane closed eastbound and westbound at I-44.
• I-270, St. Louis County, 9 p.m. to 6 a.m., up to two westbound lanes closed between Route 67 and Route 180.
• 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 100, St. Louis County, 7 p.m. to 5 a.m., one lane closed eastbound and westbound between Kortwright and Sturgis.
• Route 180, St. Louis County, 8 a.m. to 3 p.m., one lane closed between I-70 and I-270.
• 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 State Road.
• Route 367, St. Louis County, 7 p.m. to 6 a.m., one lane closed northbound and southbound from I-270 to the city of St. Louis.
• 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.
• Route P (MacKenzie Road), St. Louis County, 7 a.m. to 4 p.m., one lane closed on eastbound and westbound Route 366 (Watson Road).
• I-70, St. Charles County, 9 a.m. to 3 p.m., one eastbound lane closed between Cave Springs and Zumbehl.
• I-70, St. Charles County, 6 a.m. to 3 p.m. one westbound lane closed between Zumbehl and Cave Springs.
• I-70, St. Charles County, 9 p.m. to 5 a.m., up to three lanes closed eastbound and westbound at the Dardenne Creek Bridge.
• Route 79, St. Charles County, 7:30 p.m. to 5 a.m., one lane closed southbound from north of T.R. Hughes Boulevard to Old Missouri 79 and Salt River Road. Flaggers will direct traffic through the work zone.
• Route 21, Jefferson County, 6 a.m. to 6 p.m., one northbound lane closed between Shenk Road and 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.
• Route M, Jefferson County, 6 a.m. to 4 p.m., one eastbound lane closed between St. Lukes and east of Moss Hollow.

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