St. Louis Work Zones April 30-May 6

ST. LOUIS – Drivers who use westbound I-64 near Interstate 270 (Exit 26) should be aware of significant lane closures in the area overnight Sunday.

Weather permitting, crews will close three left westbound lanes on the interstate just east of Ballas Road (Exit 26) Sunday, May 3 starting at 7 p.m. Traffic continuing on westbound I-64 will shift into the exit lanes for I-270, but will be able to merge back onto the westbound interstate shortly after Ballas Road.

Lanes will reopen by 3:30 a.m. Monday, May 4.

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-55, St. Louis City and County, one northbound lane closed from north of Reavis Barracks to north of Bayless and two northbound lanes closed from north of Bayless to Virginia.
• I-55, St. Louis City, one southbound lane closed from Gasconade to Weber.
• I-55, St. Louis City, the ramp from Germania to northbound is closed.
• I-55, St. Louis City, starting 7 a.m. Monday, May 4, the Gasconade on ramp to northbound I-55 will be closed.
• I-55, St. Louis City, starting at 5 p.m., Monday, May 4, one northbound lane will be closed from 4500 Broadway to Potomac.
• I-270, St. Louis County, westbound exit ramp to Riverview Drive closed.
• I-270, St. Louis County, on-ramp from Riverview Drive to westbound I-270 closed.
• 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 100, St. Louis County, starting Friday, May 2, one eastbound and westbound lane closed from Mason Lane to Barrett Station Rd.
• Route N, St. Louis County, one lane closed southbound from south of I-70 to Augusta.
• Route N, St. Louis County, one lane permanently closed northbound from Route 115 to Bermuda.
• Route N, St. Louis County, one northbound lane closed from Signal Hill Dr. to Bernhardt Ave.
• I-64, St. Charles County, North Outer Road/Technology Drive bridge closed through spring 2026.
• I-70, St. Louis County, one eastbound north outer road lane closed west of Route W.
• I-70, St. Charles County, westbound on ramp closed at Foristell.
• Route 94, St. Charles County, one left-turn lane for on ramp to eastbound 370 closed through late 2027.
• Route 370, St. Charles County, two westbound lanes moved to the eastbound Discovery Bridge across the Missouri River until late 2027. Two eastbound lanes shifted to the right. Temporary barrier to divide eastbound and westbound lanes.
• I-55, Jefferson County, up to three lanes closed northbound and southbound between Route 141 and Meramec Bottom.
• I-55, Jefferson County, three left turn lanes closed at McNutt under the interstate. Traffic will move to the outside lanes. Drivers will be able to make a left turn onto the interstate ramp.
• Route 67, Jefferson County, one lane closed at I-55.
• Route Z, Jefferson County, three middle lanes closed in the center of Route Z. All traffic is pushed to the outside lanes.

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

Thursday, April 3

• I-44, St. Louis City, 8 p.m. to 5 a.m., the ramp to westbound I-44 closed.
• I-55, St. Louis City, 7 p.m. to 5 a.m., two southbound lanes closed between Broadway and Weber.
• Route 100, St. Louis City, 5 a.m. to 7 p.m., one lane closed between 39th and Jefferson.
• I-255, St. Louis County, 8 p.m. to 5 a.m., one lane closed eastbound and westbound between the Jefferson Barracks Bridge over the Mississippi River and Interstate 55.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed between Green Park and Gravois.
• Route 30, St. Louis County, 9 a.m. to 3 p.m., one westbound lane closed between Elgin and Valcour.
• Route 30, St. Louis County, 6 p.m. to 5 a.m., one eastbound and westbound lane closed adjacent to the BNSF overpass between Route 21 and Route P.
• Route 30, St. Louis County, 7 p.m. to 6 a.m., one eastbound and westbound lane closed from east of Laclede Station Rd. to Route 141.
• Route 100, St. Louis County, 8:30 a.m. to 2 p.m., one westbound lane closed between Highland Boulevard and Route 141.
• Route 100, St. Louis County, 8:30 a.m. to 2 p.m., one eastbound lane closed from southbound Route 141 ramp to Enchanted Parkway.
• Route 231, St. Louis County, 8 a.m. to 3:30 p.m., one northbound lane closed between Christopher Dr. and Erb Rd.
• Route 340, St. Louis County, 9 a.m. to 3 p.m., one eastbound lane closed from I-270 to North Office Parkway.
• Route 366, St. Louis County, 6 a.m. to 3 p.m., one eastbound and westbound lane closed between Grant and Laclede Station Road.
• Route 370, St. Louis County, 8 a.m. to 3:30 p.m., two westbound lanes closed over Cowmire Creek and Missouri Bottom.
• Route N, St. Louis County, 6 a.m. to 3:30 p.m., various lanes closed between Brotherton and Cool Valley; and Route 115 to south of University Place.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between I-70 to Route 364.
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route 364 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.
• 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-55, Jefferson County. 8 p.m. to 5 a.m., one lane closed in each direction on McNutt at I-55.
• Route A, Jefferson County, 8 p.m. to 5 a.m., one lane closed in each direction between Collins Drive and Route 61/67.
• Route 21, Jefferson County, 7 p.m. to 5 a.m., one lane closed between Big River to Route B. Flaggers and a pilot car will direct traffic through the work zone.
• Route V, Jefferson County, 8 a.m. to 3:30 p.m., one lane closed over Joachim Creek. A temporary signal will help direct traffic through the work zone.
• Route CC, Jefferson County, 6 p.m. to 5 a.m., one lane closed between Route 110 and Route 67.
• I-44, Franklin County, 8 p.m. to 7 a.m., all westbound I-44 lanes closed at the Route D bridge. The Route D bridge will also be closed. Westbound I-44 traffic will be diverted up and over the exit ramps at I-44 and Route D.
• I-44, Franklin County, 8 p.m. to 6 a.m., two westbound lanes closed from Route 100 to Route 50.
• Route 100, Franklin County, 7:30 a.m. to 7 p.m., one westbound lane closed between Route V/T and I-44.
• Route PP, Franklin County, 8 a.m. to 3 p.m., closed between Route 30 and Pickles Ford Rd.

Friday, May 1

• I-55, St. Louis City, 7 p.m. to 5 a.m., two southbound lanes closed between Broadway and Weber.
• Route 100, St. Louis City, 5 a.m. to 7 p.m., one lane closed between 39th and Jefferson.
• I-255, St. Louis County, 8 p.m. to 5 a.m., one lane closed eastbound and westbound between the Jefferson Barracks Bridge over the Mississippi River and Interstate 55.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed between Green Park and Gravois.
• Route 30, St. Louis County, 9 a.m. to 3 p.m., one westbound lane closed between Elgin and Valcour.
• Route 30, St. Louis County, 7 p.m. to 6 a.m., one eastbound and westbound lane closed from east of Laclede Station Rd. to Route 141.
• Route 100, St. Louis County, 8:30 a.m. to 2 p.m., one westbound lane closed between Highland Boulevard and Route 141.
• Route 100, St. Louis County, 8:30 a.m. to 2 p.m., one eastbound lane closed from southbound Route 141 ramp to Enchanted Parkway.
• Route 231, St. Louis County, 8 a.m. to 3:30 p.m., one northbound lane closed between Christopher Dr. and Erb Rd.
• Route 340, St. Louis County, 9 a.m. to 3 p.m., one eastbound lane closed from I-270 to North Office Parkway.
• Route 366, St. Louis County, 6 a.m. to 3 p.m., one eastbound and westbound lane closed between Grant and Laclede Station Road.
• Route N, St. Louis County, 6 a.m. to 3:30 p.m., various lanes closed between Brotherton and Cool Valley; and Route 115 to south of University Place.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between I-70 to Route 364.
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route 364 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.
• 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-44, Franklin County, 8 p.m. to 6 a.m., two westbound lanes closed from Route 100 to Route 50.
• I-55, Jefferson County. 8 p.m. to 5 a.m., one lane closed in each direction on McNutt at I-55.
• Route 21, Jefferson County, 7 p.m. to 5 a.m., one lane closed between Big River to Route B. Flaggers and a pilot car will direct traffic through the work zone.
• Route A, Jefferson County, 8 p.m. to 5 a.m., one lane closed in each direction between Collins Drive and Route 61/67.
• Route CC, Jefferson County 6 p.m. to 5 a.m., one lane closed between Route 110 and Route 67.
• I-44, Franklin County, 8 p.m. to 7 a.m., all westbound I-44 lanes closed at the Route D bridge. The Route D bridge will also be closed. Westbound I-44 traffic will be diverted up and over the exit ramps at I-44 and Route D.
• I-44, Franklin County, 8 p.m. to 6 a.m., two westbound lanes closed from Route 100 to Route 50.
• Route 100, Franklin County, 7:30 a.m. to 7 p.m., one westbound lane closed between Route V/T and I-44.

Saturday, May 2

• I-55, St. Louis City, 7 p.m. to 5 a.m., two southbound lanes closed between Broadway and Weber.
• I-255, St. Louis County, 8 p.m. to 5 a.m., one lane closed eastbound and westbound between the Jefferson Barracks Bridge over the Mississippi River and Interstate 55.
• I-44, Franklin County, 8 p.m. to 6 a.m., two westbound lanes closed from Route 100 to Route 50.
• Route 21, Jefferson County, 7 p.m. to 5 a.m., one lane closed between Big River to Route B. Flaggers and a pilot car will direct traffic through the work zone.
• I-44, Franklin County, 8 p.m. to 7 a.m., all westbound I-44 lanes closed at the Route D bridge. The Route D bridge will also be closed. Westbound I-44 traffic will be diverted up and over the exit ramps at I-44 and Route D.

Sunday, May 3

• I-44, Franklin County, 8 p.m. to 7 a.m., all westbound I-44 lanes closed at the Route D bridge. The Route D bridge will also be closed. Westbound I-44 traffic will be diverted up and over the exit ramps at I-44 and Route D.

Monday, May 4

• I-55, St. Louis City, 7 p.m. to 5 a.m., two southbound lanes closed between Broadway and Weber.
• I-55, St. Louis City, 9 a.m. to 5 p.m., two northbound lanes closed between 4500 Broadway to Potomac.
• I-70, St. Louis City, 9 a.m. to 3:30 p.m., one westbound lane closed on the Poplar St. Bridge.
• Route 100, St. Louis City, 5 a.m. to 7 p.m., one lane closed from 39th to Jefferson.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed between Green Park and Gravois.
• Route 30, St. Louis County, 9 a.m. to 3 p.m., one westbound lane closed between Elgin and Valcour.
• Route 30, St. Louis County, 7 p.m. to 6 a.m., one eastbound and westbound lane closed east of Laclede Station Rd. to Route 141.
• Route 100, St. Louis County, 8:30 a.m. to 2 p.m., one westbound lane closed between Highland Boulevard and Route 141.
• Route 100, St. Louis County, 8:30 a.m. to 2 p.m., one eastbound lane closed from southbound Route 141 ramp to Enchanted Parkway.
• Route 231, St. Louis County, 8 a.m. to 3:30 p.m., one northbound lane closed between Christopher Dr. and Erb Rd.
• Route 340, St. Louis County, 9 a.m. to 3 p.m., one eastbound lane closed from I-270 to North Office Parkway.
• Route 366, St. Louis County, 6 a.m. to 3 p.m., one eastbound and westbound lane closed between Grant and Laclede Station Road.
• Route 370, St. Louis County, 8 a.m. to 3:30 p.m., one westbound lane closed over Cowmire Creek and Missouri Bottom.
• Route N, St. Louis County, 6 a.m. to 3:30 p.m., various lanes closed between Brotherton and Cool Valley; and Route 115 to south of University Place.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between I-70 to Route 364.
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route 364 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.
• 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-55, Jefferson County. 8 p.m. to 5 a.m., one lane closed in each direction on McNutt at I-55.
• Route 21, Jefferson County, 7 p.m. to 5 a.m., one lane closed between Big River to Route B. Flaggers and a pilot car will direct traffic through the work zone.
• Route A, Jefferson County, 8 p.m. to 5 a.m., one lane closed in each direction between Collins Drive and Route 61/67.
• Route JJ, Jefferson County, 7 a.m. to 5 p.m., one moving lane drop from Rudolph Rd. south to Route 67.
• Route V, Jefferson County, 8 a.m. to 3:30 p.m., one lane closed over Joachim Creek. A temporary signal will help direct traffic through the work zone.
• Route CC, Jefferson County, 6 p.m. to 5 a.m., one lane closed between Route 110 and Route 67.
• I-44, Franklin County, 8 p.m. to 7 a.m., all westbound I-44 lanes closed at the Route D bridge. The Route D bridge will also be closed. Westbound I-44 traffic will be diverted up and over the exit ramps at I-44 and Route D.
• I-44, Franklin County, 8 p.m. to 6 a.m., one westbound lane closed at weigh scale.
• I-44, Franklin County, 8 p.m. to 6 a.m., two westbound lanes closed from Route 100 to Route 50.
• Route PP, Franklin County, 8 a.m. to 3 p.m., closed between Route 30 and Pickles Ford Rd.

Tuesday, May 5

• I-55, St. Louis City, 7 p.m. to 5 a.m., two southbound lanes closed between Broadway and Weber.
• Route 100, St. Louis City, 5 a.m. to 7 p.m., one lane closed from 39th to Jefferson.
• I-270, St. Louis County, 8 p.m. to 5 a.m., up to two southbound lanes closed between Olive and I-64.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed between Green Park and Gravois.
• Route 30, St. Louis County, 9 a.m. to 3 p.m., one westbound lane closed between Elgin and Valcour.
• Route 30, St. Louis County, 7 p.m. to 6 a.m., one eastbound and westbound lane closed east of Laclede Station Rd. to Route 141.
• Route 61/67, St. Louis County, 7 p.m. to 6 a.m., one northbound and southbound lane closed over Mattesse Creek and Meramec River.
• Route 61/67, St. Louis County, 8 a.m. to 2 p.m., one northbound and southbound lane closed in various locations from Baumgartner to Lindbergh.
• Route 100, St. Louis County, 8:30 a.m. to 2 p.m., one eastbound lane closed from southbound Route 141 ramp to Enchanted Parkway.
• Route 100, St. Louis County, 8:30 a.m. to 2 p.m., one westbound lane closed between Highland Boulevard and Route 141.
• Route 231, St. Louis County, 8 a.m. to 3:30 p.m., one northbound lane closed between Christopher Dr. and Erb Rd.
• Route 364, St. Louis County, 9 a.m. to 3 p.m., one westbound lane closed just east of the Missouri River.
• Route 340, St. Louis County, 9 a.m. to 3 p.m., one eastbound lane closed from I-270 to North Office Parkway.
• Route 366, St. Louis County, 6 a.m. to 3 p.m., one eastbound and westbound lane closed between Grant and Laclede Station Road.
• Route 370, St. Louis County. 8 a.m. to 3 p.m., one westbound lane closed over Cole Creek, Elm St. and Elm Ind.
• Route N, St. Louis County, 6 a.m. to 3:30 p.m., various lanes closed between Brotherton and Cool Valley; and Route 115 to south of University Place.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between I-70 to Route 364.
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route 364 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.
• 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-55, Jefferson County. 8 p.m. to 5 a.m., one lane closed in each direction on McNutt at I-55.
• Route 21, Jefferson County, 7 p.m. to 5 a.m., one lane closed between Big River to Route B. Flaggers and a pilot car will direct traffic through the work zone.
• Route A, Jefferson County, 8 p.m. to 5 a.m., one lane closed in each direction between Collins Drive and Route 61/67.
• Route CC, Jefferson County, 6 p.m. to 5 a.m., one lane closed between Route 110 and Route 67.
• Route JJ, Jefferson County, 7 a.m. to 5 p.m., one moving lane drop from Rudolph Rd. south to Route 67.
• Route V, Jefferson County, 8 a.m. to 3:30 p.m., one lane closed over Joachim Creek. A temporary signal will help direct traffic through the work zone.
• I-44, Franklin County, 8 p.m. to 7 a.m., all westbound I-44 lanes closed at the Route D bridge. The Route D bridge will also be closed. Westbound I-44 traffic will be diverted up and over the exit ramps at I-44 and Route D.
• I-44, Franklin County, 8 p.m. to 6 a.m., one westbound lane closed at weigh scale.
• I-44, Franklin County, 8 p.m. to 6 a.m., two westbound lanes closed from Route 100 to Route 50.
• Route PP, Franklin County, 8 a.m. to 3 p.m., closed between Route 30 and Pickles Ford Rd.
• Roue TT, Franklin County, 7 a.m. to 5 p.m., one moving lane drop from North Commercial Ave. to Mill Hill Rd.

Wednesday, May 6

• I-55, St. Louis City, 7 p.m. to 5 a.m., two southbound lanes closed between Broadway and Weber.
• Route 100, St. Louis City, 5 a.m. to 7 p.m., one lane closed from 39th to Jefferson.
• I-270, St. Louis County, 8 p.m. to 5 a.m., up to two southbound lanes closed between Olive and I-64.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed between Green Park and Gravois.
• Route 30, St. Louis County, 7 p.m. to 6 a.m., one eastbound and westbound lane closed east of Laclede Station Rd. to Route 141.
• Route 30, St. Louis County, 9 a.m. to 3 p.m., one westbound lane closed between Elgin and Valcour.
• Route 61/67, St. Louis County, 7 p.m. to 6 a.m., one northbound and southbound lane closed over Mattesse Creek and Meramec River.
• Route 61/67, St. Louis County, 8 a.m. to 2 p.m., one northbound and southbound lane closed in various locations from Baumgartner to Lindbergh.
• Route 100, St. Louis County, 8:30 a.m. to 2 p.m., one westbound lane closed between Highland Boulevard and Route 141.
• Route 100, St. Louis County, 8:30 a.m. to 2 p.m., one eastbound lane closed from southbound Route 141 ramp to Enchanted Parkway.
• Route 231, St. Louis County, 8 a.m. to 3:30 p.m., one northbound lane closed between Christopher Dr. and Erb Rd.
• Route 340, St. Louis County, 9 a.m. to 3 p.m., one eastbound lane closed from I-270 to North Office Parkway.
• Route 366, St. Louis County, 6 a.m. to 3 p.m., one eastbound and westbound lane closed between Grant and Laclede Station Road.
• Route 370, St. Louis County. 8 a.m. to 3 p.m., one westbound lane closed over Cole Creek, Elm St. and Elm Ind.
• Route 370, St. Louis County, 7 p.m. to 5:30 a.m., two westbound lanes closed from I-270 ramps to Mills exit.
• Route N, St. Louis County, 6 a.m. to 3:30 p.m., various lanes closed between Brotherton and Cool Valley; and Route 115 to south of University Place.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed between I-70 to Route 364.
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed between Route 364 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.
• 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-55, Jefferson County. 8 p.m. to 5 a.m., one lane closed in each direction on McNutt at I-55.
• Route 21, Jefferson County, 7 p.m. to 5 a.m., one lane closed between Big River to Route B. Flaggers and a pilot car will direct traffic through the work zone.
• Route A, Jefferson County, 8 p.m. to 5 a.m., one lane closed in each direction between Collins Drive and Route 61/67.
• Route CC, Jefferson County, 6 p.m. to 5 a.m., one lane closed between Route 110 and Route 67.
• Route V, Jefferson County, 8 a.m. to 3:30 p.m., one lane closed over Joachim Creek. A temporary signal will help direct traffic through the work zone.
• I-44, Franklin County, 8 p.m. to 7 a.m., all westbound I-44 lanes closed at the Route D bridge. The Route D bridge will also be closed. Westbound I-44 traffic will be diverted up and over the exit ramps at I-44 and Route D.
• I-44, Franklin County, 8 p.m. to 6 a.m., one westbound lane closed at weigh scale.
• I-44, Franklin County, 8 p.m. to 6 a.m., two westbound lanes closed from Route 100 to Route 50.
• Route PP, Franklin County, 8 a.m. to 3 p.m., closed between Route 30 and Pickles Ford Rd.
• Roue TT, Franklin County, 7 a.m. to 5 p.m., one moving lane drop from North Commercial Ave. to Mill Hill Rd.

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