St. Louis Work Zones September 3-9

ST. LOUIS – To reduce congestion and ease travel during the Labor Day weekend, MoDOT will suspend most work on interstates and state highways, starting at 12 p.m. Friday, September 4.

Traffic will still be restricted in areas where there are permanent barriers. Emergency roadwork will also be performed as needed. Work on all construction projects will resume at 9 a.m. Tuesday, September 8.

For more on roadway closures due to construction, additional work zone information, and real-time roadway weather conditions, go to http://traveler.modot.org/map. For real-time traffic, visit www.gatewayguide.com.

Motorists should be aware of the following ongoing closures:

I-44, St. Louis City, westbound express lanes and Broadway exit closed.
I-70, St. Louis City, westbound Broadway entrance ramp closed.
I-270, St. Louis County, on-ramp from Riverview Drive to westbound I-270 closed.
I-270, St. Louis County, the exit ramp closed from eastbound I-270 to Riverview through 4 p.m. Saturday.
Route 67, St. Louis County, northbound and southbound Route 67 loop ramps to Route D closed. Route D westbound and eastbound loop ramps to Route 67 closed.
Route 67, St. Louis County, one northbound and one southbound lane closed at Route D.
Route 67, St. Louis County, one lane closed northbound from the Missouri River to just north of Route 94 through late 2027.
Route 100, St. Louis County, one eastbound and westbound lane closed from Mason Lane to Barrett Station Road.
Route 100, St. Louis County, one eastbound and westbound lane closed from Weidman Road to Manchester Meadows through late 2026.
Route 366, St. Louis County, one eastbound and westbound lane closed between Watson Industrial to Pardee, through the end of 2026.
Route D, St. Louis County, one lane closed west of Woodson through October.
Route 94, St. Charles County, one left-turn lane for the on-ramp to the eastbound 370 closed through late 2027.
Route 370, St. Charles County, two westbound lanes moved to the eastbound Discovery Bridge across the Missouri River. Two eastbound lanes shifted to the right. Temporary barrier to divide eastbound and westbound lanes.
I-55, Jefferson County, one northbound and southbound lane closed from Meramec Bottom to Route 141.
I-55, Jefferson County, the southbound on and off ramps connecting to Route Z closed.
Route 61/67, Jefferson County, one lane closed northbound and southbound from Brandon Wallace Way to 6th/8th Street through summer 2027.
Route Z, Jefferson County, all interior lanes closed under I-55. One lane in each direction is open.

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

Thursday, September 3

I-170, St. Louis County, 9 a.m. to 2 p.m., one right lane closed northbound and southbound in various locations between I-270 and I-64.
I-255, St. Louis County, 9 a.m. to 3:30 p.m., one northbound and southbound lane closed at the Jefferson Barracks Bridge.
Route 30, St. Louis County, 7 a.m. to 3 p.m., various single lane closures at Valcour Avenue.
Route 30, St. Louis County, 7 a.m. to 3 p.m., one eastbound and westbound lane closed between Route P and Route 21.
Route 30, St. Louis County, 7 p.m. to 6 a.m., various lane closures at I-270.
Route 61/67, St. Louis County, 6 a.m. to 3 p.m., one northbound and southbound lane from Meramec River to Lindbergh.
Route 67, St. Louis County, 9 a.m. to 2 p.m., one northbound lane closed at the Lindbergh Tunnel.
Route 100, St. Louis County, 8 p.m. to 5 a.m., one eastbound lane closed over Des Peres Road and I-270.
Route 231, St. Louis County, 7 p.m. to 5 a.m., one northbound and southbound lane closed at Tori Pines to Gebhardt Drive.
Route 267, St. Louis County, 6 a.m. to 3 p.m., one lane closed from Bayless to S. Lindbergh.
Route 340, St. Louis County, 9 a.m. to 3 p.m., one eastbound and westbound lane closed at I-270 to eastbound North Office Parkway.
Route 340, St. Louis County, 9 a.m. to 3 p.m., one eastbound and westbound lane closed I-170 to 82nd
Route 366, St. Louis County, 6 a.m. to 3 p.m., one eastbound lane closed from Laclede Station to MacKenzie.
Route 366, St. Louis County, 6 a.m. to 3 p.m., one westbound lane closed from New Sappington to Sturdy.
Route N, St. Louis County, 24 hours, one southbound lane closed between Normandy Trace and Cool Valley.
I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between Prospect Road to Route K.
I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route K and Prospect Road.
I-70, St. Charles County, 9 p.m. to 5:30 p.m., up to three lanes closed westbound from Fifth Street to Lake St. Louis Blvd.
I-70, St. Charles County, 8 p.m. to 6 a.m., one eastbound and westbound lane closed from Foristell to Wentzville.
I-70, St. Charles County, 9 p.m. to 5:30 a.m., one eastbound and westbound lane closed from Wentzville Parkway to Route A.
I-70, St. Charles County, 8:30 p.m. to 5:30 a.m., one lane closed at Bryan Road at I-70.
Veterans Memorial Parkway, St. Charles County, 8:30 p.m. to 5:30 a.m., one lane closed on Veterans Memorial Parkway (South Outer Road) between Spencer Loop South and Executive Centre Parkway.
I-55, Jefferson County, 8 p.m. to 6 a.m., one southbound lane closed between McNutt and Route A.
Route PP, Jefferson County, 7 a.m. to 5 p.m., one lane closed at various locations.

Friday, September 4

I-170, St. Louis County, 9 a.m. to noon, one right lane closed northbound and southbound in various locations between I-270 and I-64.
Route 30, St. Louis County, 7 a.m. to noon, various single lane closures at Valcour Avenue.
Route 30, St. Louis County, 7 a.m. to noon, one eastbound and westbound lane closed between Route P and Route 21.
Route 61/67, St. Louis County, 6 a.m. to noon, one northbound and southbound lane from Meramec River to Lindbergh.
Route 267, St. Louis County, 6 a.m. to noon, one lane closed from Bayless to S. Lindbergh.
Route 340, St. Louis County, 9 a.m. to noon, one eastbound and westbound lane closed at I-270 to eastbound North Office Parkway.
Route 340, St. Louis County, 9 a.m. to noon, one eastbound and westbound lane closed I-170 to 82nd
Route 366, St. Louis County, 6 a.m. to noon, one eastbound lane closed from Laclede Station to MacKenzie.
Route N, St. Louis County, 12 a.m. to noon, one southbound lane closed between Normandy Trace and Cool Valley.
I-55, Jefferson County, 8 p.m. to 6 a.m., one southbound lane closed between McNutt and Route A.

Saturday, September 5

Sunday, September 6

Monday, September 7

Tuesday, September 8

I-64, St. Louis City, 9 a.m. to 2 p.m., one westbound lane closed at the Poplar Street Bridge.
I-70, St. Louis City, 9 a.m. to 4 p.m. one eastbound/westbound lane closed across the Mississippi River at the Stan Musial Veterans Memorial Bridge.
I-170, St. Louis County, 9 a.m. to 2 p.m., one right lane closed northbound and southbound in various locations between I-270 and I-64.
I-255, St. Louis County, 9 a.m. to 3:30 p.m., one lane closed northbound and southbound over the Mississippi River at the Jefferson Barracks Bridge.
Route 30, St. Louis County, 7 a.m. to 3 p.m., various single lane closures at Valcour Avenue.
Route 30, St. Louis County, 7 a.m. to 3 p.m., one eastbound and westbound lane closed between Route P and Route 21.
Route 30, St. Louis County, 7 p.m. to 6 a.m., various lane closures at I-270.
Route 61/67, St. Louis County, 6 a.m. to 3 p.m., one northbound and southbound lane from Meramec River to Lindbergh.
Route 100, St. Louis County, 8 p.m. to 5 a.m., one eastbound lane closed over Des Peres Road and I-270.
Route 231, St. Louis County, 7 p.m. to 5 a.m., one northbound and southbound lane closed at Tori Pines to Gebhardt Drive.
Route 267, St. Louis County, 6 a.m. to 3 p.m., one lane closed from Bayless to S. Lindbergh.
Route 340, St. Louis County, 9 a.m. to 3 p.m., one eastbound and westbound lane closed at I-270 to eastbound North Office Parkway.
Route 340, St. Louis County, 7 a.m. to 3 p.m., one eastbound and westbound lane closed I-170 to 82nd
Route 366, St. Louis County, 6 a.m. to 3 p.m., one eastbound lane closed from Laclede Station to MacKenzie.
Route 366, St. Louis County, 6 a.m. to 3 p.m., one westbound lane closed from New Sappington to Sturdy.
Route 370, St. Louis County, 3 p.m. to 12 a.m., Missouri Bottom Road ramp to westbound Route 370 closed.
I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between Prospect Road to Route K.
I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route K and Prospect Road.
I-70, St. Charles County, 9 p.m. to 5:30 p.m., up to three lanes closed westbound from Fifth Street to Lake St. Louis Blvd.
I-70, St. Charles County, 8 p.m. to 6 a.m., one eastbound and westbound lane closed from Foristell to Wentzville.
I-70, St. Charles County, 9 p.m. to 5:30 a.m., one eastbound and westbound lane closed from Wentzville Parkway to Route A.
I-70, St. Charles County, 8:30 p.m. to 5:30 a.m., one lane closed at Bryan Road at I-70.
I-70, St. Charles County, starting at 9 p.m., eastbound exit ramp to Route Z closed.
Veterans Memorial Parkway, St. Charles County, 8:30 p.m. to 5:30 a.m., one lane closed on Veterans Memorial Parkway (South Outer Road) between Spencer Loop South and Executive Centre Parkway.
I-55, Jefferson County, 8 p.m. to 6 a.m., one southbound lane closed between McNutt and Route A.
Route 30, Jefferson County, 3 p.m. to 3 a.m., one lane closed from Route NN/B and Route PP.
Route PP, Jefferson County, 7 a.m. to 5 p.m., one lane closed at various locations.

Wednesday, September 9

I-64, St. Louis City, 9 a.m. to 2 p.m., one westbound lane closed at the Poplar Street Bridge.
I-70, St. Louis City, 9 a.m. to 4 p.m. one eastbound/westbound lane closed across the Mississippi River at the Stan Musial Veterans Memorial Bridge.
I-170, St. Louis County, 9 a.m. to 2 p.m., one right lane closed northbound and southbound in various locations between I-270 and I-64.
I-255, St. Louis County, 9 a.m. to 3:30 p.m., one lane closed northbound and southbound over the Mississippi River at the Jefferson Barracks Bridge.
Route 30, St. Louis County, 7 a.m. to 3 p.m., various single lane closures at Valcour Avenue.
Route 30, St. Louis County, 7 a.m. to 3 p.m., one eastbound and westbound lane closed between Route P and Route 21.
Route 61/67, St. Louis County, 6 a.m. to 3 p.m., one northbound and southbound lane from Meramec River to Lindbergh.
Route 100, St. Louis County, 8 p.m. to 5 a.m., one eastbound lane closed over Des Peres Road and I-270.
Route 231, St. Louis County, 7 p.m. to 5 a.m., one northbound and southbound lane closed at Tori Pines to Gebhardt Drive.
Route 267, St. Louis County, 6 a.m. to 3 p.m., one lane closed from Bayless to S. Lindbergh.
Route 340, St. Louis County, 9 a.m. to 3 p.m., one eastbound and westbound lane closed at I-270 to eastbound North Office Parkway.
Route 340, St. Louis County, 7 a.m. to 3 p.m., one eastbound and westbound lane closed I-170 to 82nd
Route 366, St. Louis County, 6 a.m. to 3 p.m., one eastbound lane closed from Laclede Station to MacKenzie.
Route 366, St. Louis County, 6 a.m. to 3 p.m., one westbound lane closed from New Sappington to Sturdy.
Route 370, St. Louis County, 6 p.m. to 5:30 a.m., one eastbound and westbound lane closed from Missouri River to I-270.
Route 370, St. Louis County, 24 hours, Missouri Bottom Road ramp to westbound Route 370 closed.
I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between Prospect Road to Route K.
I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route K and Prospect Road.
I-64, St. Charles County, 8 a.m. to 3 p.m., one lane closed on the North Outer Road (Technology Drive) from Phoenix Parkway to Dardenne Creek. Flaggers will direct traffic through the work zone.
I-70, St. Charles County, 9 p.m. to 5:30 p.m., up to three lanes closed westbound from Fifth Street to Lake St. Louis Blvd.
I-70, St. Charles County, 8 p.m. to 6 a.m., one eastbound and westbound lane closed from Foristell to Wentzville.
I-70, St. Charles County, 9 p.m. to 5:30 a.m., one eastbound and westbound lane closed from Wentzville Parkway to Route A.
I-70, St. Charles County, 8:30 p.m. to 5:30 a.m., one lane closed at Bryan Road at I-70.
I-70, St. Charles County, 24 hours, eastbound exit ramp to Route Z closed.
Veterans Memorial Parkway, St. Charles County, 8:30 p.m. to 5:30 a.m., one lane closed on Veterans Memorial Parkway (South Outer Road) between Spencer Loop South and Executive Centre Parkway.
I-55, Jefferson County, 8 p.m. to 6 a.m., one southbound lane closed between McNutt and Route A.
Route 30, Jefferson County, 3 p.m. to 3 a.m., one lane closed from Route NN/B and Route PP.
Route PP, Jefferson County, 7 a.m. to 5 p.m., one lane closed at various locations.

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