St. Louis Work Zones July 16-24

ST. LOUIS - Crews with the Improve I-70 Warrenton to Wentzville Project will close the left lane of eastbound and westbound Interstate 70 between Wentzville Parkway and the Norfolk Southern Railroad bridge (mile marker 208 to 209.8) to begin construction of a temporary railroad bridge. These lane closures will be in place beginning at 9 p.m. Friday, July 17 and continue through 10 a.m. Sunday, July 19. All work is weather permitting.

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 late August 2026.
• 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 67, St. Louis County, one northbound lane closed from Signal Hill Dr. to Bernhardt Ave.
• Route 100, St. Louis County, one eastbound and westbound lane closed from Mason Lane to Barrett Station Road through late 2026.
• Route 100, St. Louis County, one eastbound and westbound lane closed from Weidman Rd. 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.
• I-70, St. Charles County, Veterans Memorial Parkway will be closed from Callahan Road to Corporate Parkway through early August.
• I-70, St. Charles County, starting at 8 p.m. Wednesday, July 22, the eastbound I-70 on ramp from David Hoekel Parkway closed.
• 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.
• Veterans Memorial Parkway, St. Charles County, close between Callahan Rd. to Corporate Parkway.
• 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, July 16

• I-44, St. Louis City, 7 p.m. to 5 a.m., three westbound lanes closed between Park and I-44/55 split.
• I-44, St. Louis City, 6:30 p.m. to 5 a.m., westbound Park St. on ramp closed.
• I-55, St. Louis City, 6 p.m. to 11 p.m., two northbound lanes closed from Weber Rd. to 4500 Broadway.
• I-55, St. Louis City, 11 p.m. to 6 a.m., three southbound lanes and President on-ramp to southbound I-55 closed.
• I-270, St. Louis County, 8 p.m. to 5 a.m., up to three lanes closed northbound and southbound between I-64 and Ladue.
• I-270, St. Louis County, 9 a.m. to 12 p.m., one eastbound lane closed from Lilac to Riverview.
• Route 30, St. Louis County, 7 a.m. to 3 p.m., one eastbound and westbound lane between Valcour and Baptist Church.
• Route 30, St. Louis County, 7 a.m. to 3 p.m., various eastbound and westbound lane closures between Rahning Rd. and Summit Rd.
• Route 30. St. Louis County, 7 a.m. to 3 p.m., various eastbound and westbound lane closures between Hilltop Dr. and Lindbergh.
• 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, 7:30 a.m. to 3 p.m., one eastbound lane closed from Knollhaven and Weidman Road.
• Route 100, St. Louis County, 8 p.m. to 5 a.m., one eastbound and westbound lane closed between Barrett Station Rd. and Des Peres Rd.
• Route 231, St. Louis County, 8 a.m. to 2 p.m., one northbound and southbound lane closed from MaryCrest Dr. to Gebhardt Dr.
• 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 between I-270 and North Office Parkway.
• Route 340, St. Louis County, 9 a.m. to 3 p.m., one right lane closed I-170 to 82nd
• Route 366, St. Louis County, 6 a.m. to 3 p.m., one lane closed from Laclede Station to Pardee.
• Route 370, St. Louis County, 6 a.m. to 6 p.m., one eastbound lane in St. Louis County is closed from Route 141 to the I-270 ramps.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between I-70 to Route K.
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route K and I-70.
• I-70, St. Charles County, 9 p.m. to 5 a.m., all westbound lanes closed at the I-64/Route 61 interchange.
• I-70, St. Charles County, 10 p.m. to 5 a.m., two lanes closed westbound from 5th Street to Lake St. Louis Boulevard.
• I-70, St. Charles County, 9 p.m. to 5 a.m., all westbound lanes closed at the I-64/Route 61 interchange.
• Route Z, St. Charles County, 10 p.m. to 5 a.m., full closure between I-70 ramps.
• Wentzville Parkway, St. Charles County, four lanes closed over I-70.
• Veteran's Memorial Parkway, St. Charles County, 9 a.m. to 2 p.m., one lane closed between S. Point Prairie Rd. and Hepperman Rd.
• I-55, Jefferson County, 7 p.m. to 5 a.m., the ramps between northbound I-55 and McNutt will be closed.
• Route 30, Franklin County, 5 p.m. to 7 a.m., one lane closed between St. Clair and Route B.

Friday, July 17

• I-55, St. Louis City, 7 p.m. to 6 a.m., one southbound lane closed between Gasconade and Germania.
• I-270, St. Louis County, 8 p.m. to 5 a.m., up to three lanes closed northbound and southbound between I-64 and Ladue.
• Route 30, St. Louis County, 7 a.m. to 3 p.m., one eastbound and westbound lane between Valcour and Baptist Church.
• Route 30, St. Louis County, 7 a.m. to 3 p.m., various eastbound and westbound lane closures between Rahning Rd. and Summit Rd.
• Route 30. St. Louis County, 7 a.m. to 3 p.m., various eastbound and westbound lane closures between Hilltop Dr. and Lindbergh.
• 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, 7:30 a.m. to 3 p.m., one eastbound lane closed from Knollhaven and Weidman Road.
• Route 100, St. Louis County, 8 p.m. to 5 a.m., one eastbound and westbound lane closed between Barrett Station Rd. and Des Peres Rd.
• Route 231, St. Louis County, 8 a.m. to 2 p.m., one northbound and southbound lane closed from MaryCrest Dr. to Gebhardt Dr.
• 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 between I-270 and North Office Parkway.
• Route 340, St. Louis County, 9 a.m. to 3 p.m., one right lane closed I-170 to 82nd
• Route 366, St. Louis County, 6 a.m. to 3 p.m., one lane closed from Laclede Station to Pardee.
• Route 370, St. Louis County, 6 a.m. to 6 p.m., one eastbound lane in St. Louis County is closed from Route 141 to the I-270 ramps.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between I-70 to Route K.
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route K and I-70.
• I-70, St. Charles County, 9 p.m. to 5 a.m., all westbound lanes closed at the I-64/Route 61 interchange.
• I-70, St. Charles County, 10 p.m. to 5 a.m., two lanes closed westbound from 5th Street to Lake St. Louis Boulevard.
• 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 a.m., all westbound lanes closed at the I-64/Route 61 interchange.
• I-70, St. Charles County, starting at 9 p.m. through 10 a.m. Monday, July 20, one eastbound and westbound lane closed between Wentzville Parkway and Route Z.
• Wentzville Parkway, St. Charles County, four lanes closed over I-70.
• Veteran's Memorial Parkway, St. Charles County, 9 a.m. to 2 p.m., one lane closed between S. Point Prairie Rd. and Hepperman Rd.
• I-55, Jefferson County, 7 p.m. to 5 a.m., the ramps between northbound I-55 and McNutt will be closed.
• I-55, Jefferson County, 7 p.m. to 5 a.m., one lane closed on northbound I-55 between Manley Quarry and McNutt.
• I-55, Jefferson County, 8 p.m. to 6 a.m., one southbound lane closed between McNutt and Manley Quarry.
• Route 30, Franklin County, 5 p.m. to 7 a.m., one lane closed between St. Clair and Route B.

Saturday, July 18

• I-270, St. Louis County, 8 p.m. to 5 a.m., up to three lanes closed northbound and southbound between I-64 and Ladue.
• I-70, St. Charles County, starting at 9 p.m. Friday, July 17 through 10 a.m. Monday, July 20, one eastbound and westbound lane closed between Wentzville Parkway and Route Z.

Sunday, July 19

• I-270, St. Louis County, starting at 5 a.m., two northbound lanes closed from I-64 to Ladue.
• I-70, St. Charles County, starting at 9 p.m. Friday, July 17 through 10 a.m. Monday, July 20, one eastbound and westbound lane closed between Wentzville Parkway and Route Z.

Monday, July 20

• I-270, St. Louis County, 8 p.m. to 5 a.m., up to three lanes closed northbound and southbound between I-64 and Ladue.
• Route 21, St. Louis County, 7 p.m. to 5 a.m., one northbound and southbound lane closed from Old Tesson to I-270.
• Route 30, St. Louis County, 7 a.m. to 3 p.m., one eastbound and westbound lane between Valcour and Baptist Church.
• Route 30, St. Louis County, 7 a.m. to 3 p.m., one eastbound and westbound lane closed from Route 141 and Lindbergh.
• Route 30, St. Louis County, 7 a.m. to 3 p.m., various eastbound and westbound lane closures between Rahning Rd. and Summit Rd.
• Route 30. St. Louis County, 7 a.m. to 3 p.m., various eastbound and westbound lane closures between Hilltop Dr. and Lindbergh.
• 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, 7:30 a.m. to 3 p.m., one eastbound lane closed from Knollhaven and Weidman Road.
• Route 100, St. Louis County, 8 p.m. to 5 a.m., one eastbound and westbound lane closed between Barrett Station Rd. and Des Peres Rd.
• Route 231, St. Louis County, 8 a.m. to 2 p.m., one northbound and southbound lane closed from MaryCrest Dr. to Gebhardt Dr.
• Route 340, St. Louis County, 9 a.m. to 3 p.m., one eastbound and westbound lane closed between I-270 and North Office Parkway.
• Route 340, St. Louis County, 9 a.m. to 3 p.m., one right lane closed I-170 to 82nd
• Route 370, St. Louis County, 6 a.m. to 6 p.m., one eastbound lane in St. Louis County is closed from Route 141 to the I-270 ramps.
• Route 370, St. Louis County, 7 p.m. to 5:30 a.m., one eastbound and westbound lane closed from overpass at Ferguson, Missouri Bottom Road, and Cowmire.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between I-70 to Route K.
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route K and I-70.
• I-70, St. Charles County, 10 p.m. to 5 a.m., two lanes closed westbound from 5th Street to Lake St. Louis Boulevard.
• 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 a.m., all westbound lanes closed at the I-64/Route 61 interchange.
• I-55, St. Louis City, 7 p.m. to 6 a.m., one southbound lane closed between Gasconade and Germania.
• Veteran's Memorial Parkway, St. Charles County, 9 a.m. to 2 p.m., one lane closed between S. Point Prairie Rd. and Hepperman Rd.
• Route PP, Jefferson County, 8 a.m. to 3 p.m., all lanes closed. Traffic will be detoured.
• Route 30, Franklin County, 5 p.m. to 7 a.m., one lane closed between St. Clair and Route B.
• Route 185, Franklin County, 7 a.m. to 2:30 p.m., one lane closed over the Meramec River. Flaggers will direct traffic through the work zone.

Tuesday, July 21

• I-55, St. Louis City, 7 p.m. to 6 a.m., one southbound lane closed between Gasconade and Germania.
• Route 100, St. Louis City, 5 a.m. to 7 p.m., one lane closed from Kingshighway to Vandeventer.
• I-270, St. Louis County, 8 p.m. to 5 a.m., up to three lanes closed northbound and southbound between I-64 and Ladue.
• Route 21, St. Louis County, 7 p.m. to 5 a.m., one northbound and southbound lane closed from Old Tesson to I-270.
• Route 30, St. Louis County, 7 a.m. to 3 p.m., one eastbound and westbound lane between Valcour and Baptist Church.
• Route 30, St. Louis County, 7 a.m. to 3 p.m., various eastbound and westbound lane closures between Rahning Rd. and Summit Rd.
• Route 30. St. Louis County, 7 a.m. to 3 p.m., various eastbound and westbound lane closures between Hilltop Dr. and Lindbergh.
• Route 30, St. Louis County, 7 a.m. to 3 p.m., one eastbound and westbound lane closed from Route 141 and Lindbergh.
• 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, 7:30 a.m. to 3 p.m., one eastbound lane closed from Knollhaven and Weidman Road.
• Route 100, St. Louis County, 8 p.m. to 5 a.m., one eastbound and westbound lane closed between Barrett Station Rd. and Des Peres Rd.
• Route 231, St. Louis County, 8 a.m. to 2 p.m., one northbound and southbound lane closed from MaryCrest Dr. to Gebhardt Dr.
• 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 between I-270 and North Office Parkway.
• Route 340, St. Louis County, 9 a.m. to 3 p.m., one right lane closed I-170 to 82nd
• Route 366, St. Louis County, 6 a.m. to 3 p.m., one lane closed from Laclede Station to Pardee.
• Route 370, St. Louis County, 6 a.m. to 6 p.m., one eastbound lane in St. Louis County is closed from Route 141 to the I-270 ramps.
• Route 370, St. Louis County, 7 p.m. to 5:30 a.m., one eastbound and westbound lane closed from overpass at Ferguson, Missouri Bottom Road, and Cowmire.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between I-70 to Route K.
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route K and I-70.
• I-70, St. Charles County, 10 p.m. to 5 a.m., two lanes closed westbound from 5th Street to Lake St. Louis Boulevard.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one eastbound and westbound lane closed from Foristell to Wentzville.
• Veteran's Memorial Parkway, St. Charles County, 9 a.m. to 2 p.m., one lane closed between S. Point Prairie Rd. and Hepperman Rd.
• Route PP, Jefferson County, 8 a.m. to 3 p.m., all lanes closed. Traffic will be detoured.
• Route 30, Franklin County, 5 p.m. to 7 a.m., one lane closed between St. Clair and Route B.
• Route 185, Franklin County, 7 a.m. to 2:30 p.m., one lane closed over the Meramec River. Flaggers will direct traffic through the work zone.

Wednesday, July 22

• I-55, St. Louis City, 7 p.m. to 6 a.m., one southbound lane closed between Gasconade and Germania.
• Route 100, St. Louis City, 5 a.m. to 7 p.m., one lane closed from Jefferson to Broadway.
• Route 100, St. Louis City, 5 a.m. to 7 p.m., one lane closed from Kingshighway to Vandeventer.
• I-270, St. Louis County, 8 p.m. to 5 a.m., up to three lanes closed northbound and southbound between I-64 and Ladue.
• Route 21, St. Louis County, 7 p.m. to 5 a.m., one northbound and southbound lane closed from Old Tesson to I-270.
• Route 30, St. Louis County, 7 a.m. to 3 p.m., one eastbound and westbound lane between Valcour and Baptist Church.
• Route 30, St. Louis County, 7 a.m. to 3 p.m., various eastbound and westbound lane closures between Rahning Rd. and Summit Rd.
• Route 30. St. Louis County, 7 a.m. to 3 p.m., various eastbound and westbound lane closures between Hilltop Dr. and Lindbergh.
• Route 30, St. Louis County, 7 a.m. to 3 p.m., one eastbound and westbound lane closed from Route 141 and Lindbergh.
• 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, 7:30 a.m. to 3 p.m., one eastbound lane closed from Knollhaven and Weidman Road.
• Route 100, St. Louis County, 8 p.m. to 5 a.m., one eastbound and westbound lane closed between Barrett Station Rd. and Des Peres Rd.
• Route 231, St. Louis County, 8 a.m. to 2 p.m., one northbound and southbound lane closed from MaryCrest Dr. to Gebhardt Dr.
• 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 between I-270 and North Office Parkway.
• Route 340, St. Louis County, 9 a.m. to 3 p.m., one right lane closed I-170 to 82nd
• Route 366, St. Louis County, 6 a.m. to 3 p.m., one lane closed from Laclede Station to Pardee.
• Route 370, St. Louis County, 6 a.m. to 6 p.m., one eastbound lane in St. Louis County is closed from Route 141 to the I-270 ramps.
• Route 370, St. Louis County, 7 p.m. to 5:30 a.m., one eastbound and westbound lane closed from overpass at Ferguson, Missouri Bottom Road, and Cowmire.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between I-70 to Route K.
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route K and I-70.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one eastbound and westbound lane closed from Foristell to Wentzville.
• Veteran's Memorial Parkway, St. Charles County, 9 a.m. to 2 p.m., one lane closed between S. Point Prairie Rd. and Hepperman Rd.
• I-55, Jefferson County, 8 p.m. to 6 a.m., one southbound lane closed between Union Pacific Railroad and Herky Horine Rd.
• Route PP, Jefferson County, 8 a.m. to 3 p.m., all lanes closed. Traffic will be detoured.
• Route 30, Franklin County, 5 p.m. to 7 a.m., one lane closed between St. Clair and Route B.
• Route 185, Franklin County, 7 a.m. to 2:30 p.m., one lane closed over the Meramec River. Flaggers will direct traffic through the work zone.

###