St. Louis Work Zones September 1-7

ST. LOUIS – The Missouri Department of Transportation will limit work on interstates and state highways starting at noon on Friday, September 2 to help people travel around the state during this Labor Day holiday weekend.

Traffic will still be restricted in areas where there are permanent barriers, such as along Interstate 270 in north St. Louis County and Interstate 44 near Big Bend in Kirkwood.  If required, crews will close lanes where needed for emergency maintenance.  Most restrictions will remain in place until 6 a.m. Tuesday, September 6.

Drivers should be aware of two long-term interstate ramp closures that start on Tuesday, September 6:

  • At 6 a.m., crews will close the ramp from eastbound I-44 to Route 47 in Franklin County.  The ramp will remain closed until late September.
  • At 7 a.m., crews will close the ramp from eastbound I-270 to New Florissant in north St. Louis County. The ramp will remain closed through late October.

For more on roadway closures due to flooding, 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 on-going closures: 

  • I-55, St. Louis City, two lanes northbound closed between Carondelet and Arsenal until December 2022.
  • I-55, St. Louis City, left two southbound lanes closed from Gravois to Loughborough through December 2022.
  • I-55, St. Louis City, the ramp from Lafayette/Truman ramp and the ramp from Cherokee to southbound I-55 closed through December 2022.
  • I-55, St. Louis City, the northbound exit ramps to 3200 Broadway and Arsenal will be closed through December 2022.
  • I-55, St. Louis City, northbound two left lanes closed from Carondelet to Arsenal through December 2022.
  • I-55, St. Louis City, the ramp from Virginia to southbound will be closed until mid-September.
  • I-64, St. Louis City, one lane eastbound and westbound near Jefferson closed through mid-2022.
  • I-64, St. Louis City, one lane westbound at the entrance ramp east of Jefferson to Forest Park Avenue closed through mid-2022.
  • I-70/44, St. Louis City, express lanes and the ramp from the express lanes to Broadway are closed until spring 2023.
  • I-70/44, St. Louis City, Biddle on-ramp to 70/44 closed until spring 2023.
  • I-70, St. Louis City, southbound Broadway bridge over the interstate is closed until spring 2023.
  • I-44, St. Louis County, one lane eastbound and westbound will be closed at Big Bend in Kirkwood until October 2022.
  • I-44, St. Louis County, one lane closed in each direction on the Big Bend bridge over the interstate in Kirkwood through October 2022.
  • I-44, St. Louis County, Lewis Road ramp to westbound I-44 closed through December 2022.
  • I-170, St. Louis County, the Midland bridge over the interstate will be closed through October.
  • I-255, St. Louis County, one lane closed eastbound and westbound over Mississippi River bridge until fall 2022.
  • I-255, St. Louis County, eastbound Koch Rd. ramp closed until fall 2022.
  • I-270, St. Louis County, one lane of Dunn Road between Old Halls Ferry and New Halls Ferry closed.
  • I-270, St. Louis County, the ramp from eastbound to West Florissant will be closed through late October.
  • I-270, St. Louis County, starting at 7 a.m. Tuesday, September 6, the ramp from eastbound to New Florissant will be closed through late October.
  • I-270, St. Louis County, one lane of Pershall between Knollway and Washington/Elizabeth will be closed through summer. Westbound traffic will no longer be able to use this section of Pershall.
  • I-270, St. Louis County, the ramp from eastbound to northbound Route 367 will be closed until late September.
  • I-270, St. Louis County, the westbound lane on Pershall between Hanley/Graham and New Florissant is closed.  When the roadway reopens in November 2022, it will be converted to one-way eastbound.
  • I-270, St. Louis County, the westbound lane on Pershall Road between West Florissant and New Halls Ferry will be closed. When the roadway reopens in late 2022, it will be converted to one-way eastbound.
  • Route 67, St. Louis County, northbound ramp to westbound I-270 closed till mid-2022.
  • Route 67, St. Louis County, one northbound and southbound lane closed north of Route 94.
  • Route 100, St. Louis County, just west of Hanley closed mid-September.
    Route 100, St. Louis County, all eastbound lanes closed east of Hanley through late August.
  • Route 100, St. Louis County, one lane in each direction in Brentwood near Mary Avenue will be closed through mid-October.
  • Route 67, St. Charles County, one lane northbound closed north of the Missouri River through summer 2022.
  • Route 94, St. Charles County, the ramp from westbound Route 364 to eastbound Route 94 closed through summer 2022.
  • Route 94/364, St. Charles County, exit ramp to Jungs Station Road/Heritage Crossing closed through spring 2023.
  • Route 364, St. Charles County, the ramp from westbound to eastbound Route 94 will be closed through summer 2022.
  • Route 47, Franklin County, northbound and southbound will be reduced to one lane over Interstate 44 through September. In addition, the ramp to westbound I-44 will be closed, and the ramps from westbound and eastbound I-44 to Route 47 will be closed to left-turning traffic through September.
  • I-44, Franklin County, the ramp from Route 47 to eastbound will be closed through November.
  • I-44, Franklin County, the ramp from westbound I-44 to Route 47 will be closed through the end of August.
  • I-44, Franklin County, starting at 6 a.m. Tuesday, September 6, the ramp from eastbound I-44 to Route 47 will be closed through late September.

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

Thursday, September 1

  • I-44, St. Louis City, 8 a.m. to 3 p.m., one lane closed on Compton over I-44. Flaggers will direct traffic through the work zone.
  • I-170, St. Louis County, 6 a.m. to 1 p.m., two northbound lanes closed south of Route 180 (St. Charles Rock Road).
  • I-170, St. Louis County, 8 p.m. to 5 a.m., one southbound lane closed between I-270 and I-70.
  • I-255, St. Louis County, 7 a.m. to 4 p.m., one lane closed in each direction on Koch Road.
  • I-270, St. Louis County, 7 a.m. to 2 p.m., one lane closed eastbound and westbound at New Florissant Road.
  • I-270, St. Louis County, 7 a.m. to 2 p.m., one eastbound lane closed at New Halls Ferry Road.
  • Route 67, St. Louis County, 9 a.m. to 3 p.m., one lane closed southbound inside the Lindbergh tunnel.
  • Route 100, St. Louis County, 6 a.m. to 4 p.m., one lane closed eastbound and westbound from Big Bend to Sappington.
  • Route 100, St. Louis County, 6 a.m. to 2 p.m., one lane closed eastbound from Tallie Drive/Bopp Road to Woodgate Drive.
  • Route 180, St. Louis County, 9 a.m. to 3 p.m., one lane closed in each direction between I-170 and Route 67.
  • Route 367, St. Louis County, 8 p.m. to 5 a.m., one lane closed northbound between I-270 and Route 67.
  • 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 lane closed westbound at Zumbehl.
  • I-70, St. Charles County, 3 a.m. to 5 a.m., two lanes closed westbound at Cave Springs
  • Route 94, St. Charles County, 7 a.m. to 5 p.m., one lane closed eastbound and westbound at Muegge
  • Route 47, Route WW/Route FF/Route EE, Franklin County, 7 a.m. to 5 p.m., one lane closed in various locations for resurfacing. A flagger or pilot car will direct traffic through the work zone.
  • Route 50, Franklin County, 6:30 p.m. to 5:30 a.m., one lane closed between Route BB and Route CC. Flaggers and a pilot car will help direct traffic through the work zone.
  • I-55, Jefferson County, 9 p.m. to 6 a.m., one lane closed in each direction between Route Z and Route 67.
  • Route 21, Jefferson County, 7 a.m. to 4 p.m., one lane closed northbound and southbound near Lowry Lane.
  • Route 61/67, Jefferson County, 7:30 a.m. to 3:30 p.m., one lane closed southbound from Meramec River to Tenbrook. 

Friday, September 2

  • I-170, St. Louis County, 6 a.m. to noon, two northbound lanes closed south of Route 180 (St. Charles Rock Road).
  • Route 67, St. Louis County, 9 a.m. to 3 p.m., one lane closed northbound or southbound inside the Lindbergh tunnel.
  • I-255, St. Louis County, 7 a.m. to noon, one lane closed in each direction on Koch Road.
  • I-270, St. Louis County, 7 a.m. to noon, one lane closed eastbound and westbound at New Florissant Road.
  • I-270, St. Louis County, 7 a.m. to noon, one eastbound lane closed at New Halls Ferry Road.
  • Route 100, St. Louis County, 6 a.m. to noon, one lane closed eastbound and westbound from Big Bend to Sappington.
  • Route 100, St. Louis County, 6 a.m. to noon, one lane closed eastbound from Tallie Drive/Bopp Road to Woodgate Drive.
  • I-70, St. Charles County, 9 a.m. to noon, one eastbound lane closed at Cave Springs.
  • I-70, St. Charles County, 6 a.m. to noon, one lane closed westbound at Zumbehl.
  • Route 94, St. Charles County, 7 a.m. to noon, one lane closed eastbound and westbound at Muegge
  • Route 47, Route WW/Route FF/Route EE, Franklin County, 7 a.m. to noon, one lane closed in various locations for resurfacing. A flagger or pilot car will direct traffic through the work zone.
  • Route 21, Jefferson County, 7 a.m. to noon, one lane closed northbound and southbound near Lowry Lane.
  • Route 61/67, Jefferson County, 7:30 a.m. to noon, one lane closed southbound from Meramec River to Tenbrook. 

Saturday, September 3

  • No scheduled work zones due to Labor Day weekend 

Sunday, September 4

  • No scheduled work zones due to Labor Day weekend 

Monday, September 5

  • No scheduled work zones due to Labor Day weekend 

Tuesday, September 6

  • I-70, St. Louis City, 7:30 p.m. to 5 a.m., two lanes closed eastbound between Branch and Cass Avenue.
  • I-44, St. Louis County, 8 p.m. to 6 a.m., one westbound lane closed west of Route 141.
  • I-170, St. Louis County, 6 a.m. to 1 p.m., two northbound lanes closed south of Route 180 (St. Charles Rock Road).
  • I-170, St. Louis County, 8 p.m. to 5 a.m., one southbound lane closed between I-270 and I-70.
  • I-255, St. Louis County, 7 a.m. to 4 p.m., one lane closed in each direction on Koch Road.
  • I-270, St. Louis County, 7 a.m. to 2 p.m., one lane closed eastbound and westbound at New Florissant Road.
  • I-270, St. Louis County, 7 a.m. to 2 p.m., one eastbound lane closed at New Halls Ferry Road.
  • I-270, St. Louis County, starting at 7 a.m., the ramp from eastbound to New Florissant will close until late October.
  • Route 100, St. Louis County, 6 a.m. to 4 p.m., one lane closed eastbound and westbound from Big Bend to Sappington.
  • Route 100, St. Louis County, 6 a.m. to 2 p.m., one lane closed eastbound from Tallie Drive/Bopp Road to Woodgate Drive.
  • Route 180, St. Louis County, 9 a.m. to 3 p.m., one lane closed in each direction between I-170 and Route 67.
  • Route 367, St. Louis County, 8 p.m. to 5 a.m., one lane closed northbound between I-270 and Route 67.
  • 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 lane closed westbound at Zumbehl.
  • I-70, St. Charles County, 8 p.m. to 5 a.m., one lane closed eastbound and westbound between Wentzville Parkway and Route W.
  • I-70, St. Charles County, 6 a.m. to 3 p.m., one lane closed westbound between Convention Center and First Capitol.
  • Route 94, St. Charles County, 7 a.m. to 5 p.m., one lane closed eastbound and westbound at Muegge
  • I-44, Franklin County, starting at 6 a.m., the ramp from eastbound to Route 47 will be closed until late September.
  • Route 47, Route WW/Route FF/Route EE, Franklin County, 7 a.m. to 5 p.m., one lane closed in various locations for resurfacing. A flagger or pilot car will direct traffic through the work zone.
  • Route 50, Franklin County, 6:30 p.m. to 5:30 a.m., one lane closed between Route BB and Route CC. Flaggers and a pilot car will help direct traffic through the work zone.
  • I-55, Jefferson County, 9 p.m. to 6 a.m., one lane closed in each direction between Route Z and Route 67.
  • Route 21, Jefferson County, 7 a.m. to 4 p.m., one lane closed northbound and southbound near Lowry Lane.
  • Route 30, Jefferson County, 8 a.m. to 4 p.m., one lane will be closed over the Little Meramec. Flaggers will direct traffic through the work zone.
  • Route 61/67, Jefferson County, 7:30 a.m. to 3:30 p.m., one lane closed southbound from Meramec River to Tenbrook.
  • Route AA, Jefferson County, 7 a.m. to 7 p.m., one lane closed between the railroad tracks and Route TT. A flagger or pilot car will direct traffic through the work zone. 

Wednesday, September 7

  • I-70, St. Louis City, 7:30 p.m. to 5 a.m., two lanes closed eastbound between Branch and Cass Avenue.
  • I-44, St. Louis County, 8 p.m. to 6 a.m., two westbound lanes closed west of Route 141.
  • I-170, St. Louis County, 6 a.m. to 1 p.m., two northbound lanes closed south of Route 180 (St. Charles Rock Road).
  • I-170, St. Louis County, 8 p.m. to 5 a.m., one southbound lane closed between I-270 and I-70.
  • I-255, St. Louis County, 7 a.m. to 4 p.m., one lane closed in each direction on Koch Road.
  • I-270, St. Louis County, 7 a.m. to 2 p.m., one lane closed eastbound and westbound at New Florissant Road.
  • I-270, St. Louis County, 7 a.m. to 2 p.m., one eastbound lane closed at New Halls Ferry Road.
  • Route 100, St. Louis County, 6 a.m. to 4 p.m., one lane closed eastbound and westbound from Big Bend to Sappington.
  • Route 100, St. Louis County, 6 a.m. to 2 p.m., one lane closed eastbound from Tallie Drive/Bopp Road to Woodgate Drive.
  • Route 180, St. Louis County, 9 a.m. to 3 p.m., one lane closed in each direction between I-170 and Route 67.
  • Route 367, St. Louis County, 8 p.m. to 5 a.m., one lane closed northbound between I-270 and Route 67.
  • Route 367, St. Louis County, 8 p.m.to 5 a.m., all lanes will be closed northbound at Route 67. Traffic will be routed up and over the ramps.
  • 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 lane closed westbound at Zumbehl.
  • I-70, St. Charles County, 8 p.m. to 5 a.m., one lane closed eastbound and westbound between Wentzville Parkway and Route W.
  • I-70, St. Charles County, 6 a.m. to 3 p.m., one lane closed westbound between Convention Center and First Capitol.
  • Route 79, St. Charles County, 8 a.m. to 4 p.m., one lane closed northbound at the railroad.
  • Route 94, St. Charles County, 7 a.m. to 5 p.m., one lane closed eastbound and westbound at Muegge
  • Route 47, Route WW/Route FF/Route EE, Franklin County, 7 a.m. to 5 p.m., one lane closed in various locations for resurfacing. A flagger or pilot car will direct traffic through the work zone.
  • Route 50, Franklin County, 6:30 p.m. to 5:30 a.m., one lane closed between Route BB and Route CC. Flaggers and a pilot car will help direct traffic through the work zone.
  • I-55, Jefferson County, 9 p.m. to 6 a.m., one lane closed in each direction between Route Z and Route 67.
  • Route 21, Jefferson County, 7 a.m. to 4 p.m., one lane closed northbound and southbound near Lowry Lane.
  • Route 30, Jefferson County, 8 a.m. to 4 p.m., one lane will be closed over the Little Meramec. Flaggers will direct traffic through the work zone.
  • Route 61/67, Jefferson County, 7:30 a.m. to 3:30 p.m., one lane closed southbound from Meramec River to Tenbrook.
  • Route AA, Jefferson County, 7 a.m. to 7 p.m., one lane closed between the railroad tracks and Route TT. A flagger or pilot car will direct traffic through the work zone. 

# # #

Districts Involved
St. Louis
MODOT Newsroom

The newsroom is a one-stop shop for media partners to find their local and statewide communications contacts and news releases, as well as download department leadership portraits and other media.

Visit the Newsroom
Real Time Traffic

Monitor real time traffic with our online traffic map.