St. Louis Work Zones Nov. 20-26

ST. LOUIS – Drivers in the city of St. Louis and Jefferson County should be aware of upcoming significant ramp and road closures.

Crews will close the ramp from eastbound Interstate 44 to southbound Interstate 55 in the city of St. Louis overnight from 9 p.m. to 5 a.m. November 20-21 and November 24-25. In addition, the ramp from Jefferson to eastbound I-44 and southbound I-55 will be closed those same nights from 8 p.m. to 5 a.m.

To detour around the ramp closure, drivers can continue on eastbound I-44 to 7th and Park (Exit 290C), get back onto southbound I-55 on 7th Street and continue south.

In Jefferson County, crews will close McNutt Street under I-55 from 9 p.m. Friday, November 21 to 5 a.m. Monday, November 24 for bridge demolition. Traffic on I-55 has been shifted onto a new bridge over McNutt Street allowing for demolition of the old northbound bridge.

All lanes of I-55 will remain open. Detours for McNutt Street will be marked.

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.

All work is subject to change and may be shifted due to inclement weather. 

Motorists should be aware of the following ongoing closures:

• I-55, St. Louis City, one southbound lane closed from I-44 to north of Bates and two southbound lanes closed north of Bates to north of Weber through early 2026.
• 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 through early 2026.
• I-55, St. Louis City, the ramp from Virginia to southbound is closed through early 2026.
• I-55, St. Louis City, the ramp from southbound to Loughborough and the Loughborough on-ramp to southbound will be closed through early 2026.
• I-55, St. Louis City, the ramp from Lafayette/Truman to southbound is closed through early 2026.
• I-55, St. Louis City, the ramp from Germania to northbound is closed through early 2026.
• I-55, St. Louis City, the ramp from southbound to Germania is through early 2026.
• I-70, St. Louis County, the westbound exit lane to northbound Route N closed.
• I-270, St. Louis County, various northbound and southbound lanes narrowed between I-64 and Olive through early 2026.
• 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 21, St. Louis County, one lane northbound and southbound will be closed between Gravois Creek and Grant’s Trail through late 2025.
• 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 at Lynn Haven-Taylor.
• Route 67, St. Louis County, one lane closed from Washington to Ferdinand.
• 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, through Friday morning, one westbound lane closed on the Daniel Boone Bridge over the Missouri River.
• I-64, St. Charles County, North Outer Road/Technology Drive bridge closed through 2025.
• I-70, St. Charles County, North Outer Road westbound at Foristell temporary slip ramp in place through January 2026.
• I-55, Jefferson County, intersection of I-55 and Route 67 closed.
• I-55, Jefferson County, one lane of northbound/southbound I-55 closed from Route 67 to Route Z.
• 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.
• I-55, Jefferson County, one northbound lane closed just before Route 67.
• Route 67, Jefferson County, one southbound 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.
• Route MM, Franklin County, all lanes closed between Route T and Coleman Road. 

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

Thursday, November 20

• I-44, St. Louis City, 9 p.m. to 5 a.m., the ramp from eastbound to southbound I-55 will be closed.
• I-44, St. Louis City, 8 p.m. to 5 a.m. the ramp from Jefferson to eastbound will be closed.
• I-55, St. Louis City, 4 a.m. to 2 p.m., two southbound lanes closed between Bayless to South Lindbergh.
• I-170, St. Louis County, 6 a.m. to 5 p.m., one lane closed along Pershall under the interstate from Hanley to Hazelwood Avenue.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed from Green Park to Reavis Road.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed from Lindbergh Blvd to Green Park.
• Route 100, St. Louis County, 7 a.m. to 3 p.m., one eastbound right lane between Barrett Station Road and I-270.
• Route 267, St. Louis County, 5 a.m. to 2 p.m., one southbound lane closed River City Boulevard to Bayless.
• Route 366, St. Louis County, 6 a.m. to 3 p.m., one westbound lane closed from MacKenzie to Grant.
• Route 370, St. Louis County, 7 p.m. to 5:30 a.m., up to two westbound lanes closed between the Missouri River and I-270.
• Route 370, St. Louis County, 6 p.m. to 5:30 a.m., up to two eastbound lanes closed between the Missouri River and I-270.
• Route AB, St. Louis County, 7 a.m. to 3 p.m., one lane closed eastbound or westbound between Ladue Pines and Beacon Hill, between Laduemont Drive to Coeur DeVille Drive and between Emerson Road and Coeur DeVille Drive. Flaggers will direct traffic through the two-lane portions of Route AB.
• Route AB, St. Louis County, 8 p.m. to 5 a.m., one lane closed between Mason Road and Emerson Road. Flaggers will direct traffic through the two-lane portions of Route AB.
• I-64, St. Charles County, 5 p.m. to 5 a.m., one lane closed eastbound from Research Park to Spirit of St. Louis overpass.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed from I-70 to Route K.
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed from Route K to I-70.
• I-64, St. Charles County, 7 a.m. to 2 p.m., up to two lanes closed westbound between Route K and Route 364.
• I-64, St. Charles County, 9 a.m. to 4p.m., up to two lanes closed eastbound between Route K and Route 364.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one eastbound lane closed from Wentzville Parkway to Route A.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one westbound lane closed from Route A to Route Z.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one westbound lane closed between Wentzville Parkway to Foristell.
• I-70, St. Charles County, 10 p.m. to 5 a.m., one lane closed westbound at Foristell, with intermittent full closures of up to 15 minutes.
• Route 370, St. Charles County, 7 p.m. to 5:30 a.m., one westbound lane closed between the Missouri River and Elm.
• Route 30, Franklin County, 7 p.m. to 6 a.m., one lane closed from Bardot Street to Route 47.
• I-55, Jefferson County, 7 p.m. to 5 a.m., up to two northbound lanes closed between Route Z and Route M.
• I-55, Jefferson County, 8 p.m. to 6 a.m., up to two southbound lanes closed between Route Z and Route M.
• I-55, Jefferson County, 9 p.m. to 5 a.m., the ramp from southbound to Route M will be closed. 

Friday, November 21

• I-44, St. Louis City, 9 p.m. to 5 a.m., the ramp from eastbound to southbound I-55 will be closed.
• I-44, St. Louis City, 8 p.m. to 5 a.m. the ramp from Jefferson to eastbound will be closed.
• I-55, St. Louis City, 4 a.m. to 2 p.m., two southbound lanes closed between Bayless to South Lindbergh.
• I-170, St. Louis County, 6 a.m. to 5 p.m., one lane closed along Pershall under the interstate from Hanley to Hazelwood Avenue.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed from Green Park to Reavis Road.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed from Lindbergh Blvd to Green Park.
• Route 100, St. Louis County, 7 a.m. to 3 p.m., one eastbound right lane between Barrett Station Road and I-270.
• Route 267, St. Louis County, 5 a.m. to 2 p.m., one southbound lane closed River City Boulevard to Bayless.
• Route 366, St. Louis County, 6 a.m. to 3 p.m., one westbound lane closed from MacKenzie to Grant.
• Route 370, St. Louis County, 7 p.m. to 5:30 a.m., up to two westbound lanes closed between the Missouri River and I-270.
• Route 370, St. Louis County, 6 p.m. to 5:30 a.m., up to two eastbound lanes closed between the Missouri River and I-270.
• Route AB, St. Louis County, 7 a.m. to 3 p.m., one lane closed eastbound or westbound between Ladue Pines and Beacon Hill, between Laduemont Drive to Coeur DeVille Drive and between Emerson Road and Coeur DeVille Drive. Flaggers will direct traffic through the two-lane portions of Route AB.
• Route AB, St. Louis County, 8 p.m. to 5 a.m., one lane closed between Mason Road and Emerson Road. Flaggers will direct traffic through the two-lane portions of Route AB.
• I-64, St. Charles County, 5 p.m. to 5 a.m., one lane closed eastbound from Research Park to Spirit of St. Louis overpass.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed from I-70 to Route K.
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed from Route K to I-70.
• I-64, St. Charles County, 7 a.m. to 2 p.m., up to two lanes closed westbound between Route K and Route 364.
• I-64, St. Charles County, 9 a.m. to 4p.m., up to two lanes closed eastbound between Route K and Route 364.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one eastbound lane closed from Wentzville Parkway to Route A.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one westbound lane closed from Route A to Route Z.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one westbound lane closed between Wentzville Parkway to Foristell.
• Route 370, St. Charles County, 7 p.m. to 5:30 a.m., one westbound lane closed between the Missouri River and Elm.
• Route 30, Franklin County, 7 p.m. to 6 a.m., one lane closed from Bardot Street to Route 47.
• I-55, Jefferson County, 9 p.m. until 5 a.m. Monday, McNutt under I-55 will be completely closed. Detours will be marked.
• I-55, Jefferson County, 7 p.m. to 5 a.m., up to two northbound lanes closed between Route Z and Route M.
• I-55, Jefferson County, 8 p.m. to 6 a.m., up to two southbound lanes closed between Route Z and Route M.
• I-55, Jefferson County, 9 p.m. to 5 a.m., the ramp from southbound to Route M will be closed. 

Saturday, November 22

• I-55, St. Louis City, 4 a.m. to 2 p.m., two southbound lanes closed between Bayless to South Lindbergh.
• I-170, St. Louis County, 6 a.m. to 5 p.m., one lane closed along Pershall under the interstate from Hanley to Hazelwood Avenue.
• Route AB, St. Louis County, 7 a.m. to 3 p.m., one lane closed eastbound or westbound between Ladue Pines and Beacon Hill and between Laduemont Drive to Coeur DeVille Drive. Flaggers will direct traffic through the two-lane portions of Route AB.
• Route AB, St. Louis County, 8 p.m. to 5 a.m., one lane closed between Mason Road and Emerson Road. Flaggers will direct traffic through the two-lane portions of Route AB.
• Route 100, Franklin County, 7 a.m. to 5 p.m., one lane closed eastbound or westbound between Washington and Route OO. Flaggers will direct traffic through the two-lane portions of Route 100.
• I-55, Jefferson County, until 5 a.m. Monday, McNutt under I-55 will be completely closed. Detours will be marked. 

Sunday, November 23

• Route 100, Franklin County, 7 a.m. to 5 p.m., one lane closed eastbound or westbound between Washington and Route OO. Flaggers will direct traffic through the two-lane portions of Route 100.
• I-55, Jefferson County, until 5 a.m. Monday, McNutt under I-55 will be completely closed. Detours will be marked. 

Monday, November 24

• I-44, St. Louis City, 9 p.m. to 5 a.m., the ramp from eastbound to southbound I-55 will be closed.
• I-44, St. Louis City, 8 p.m. to 5 a.m. the ramp from Jefferson to eastbound will be closed.
• I-170, St. Louis County, 6 a.m. to 5 p.m., one lane closed along Pershall under the interstate from Hanley to Hazelwood Avenue.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed from Green Park to Reavis Road.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed from Lindbergh Blvd to Green Park.
• Route 100, St. Louis County, 7 a.m. to 3 p.m., one eastbound right lane between Barrett Station Road and I-270.
• Route 267, St. Louis County, 5 a.m. to 2 p.m., one southbound lane closed River City Boulevard to Bayless.
• Route 366, St. Louis County, 6 a.m. to 3 p.m., one westbound lane closed from MacKenzie to Grant.
• Route 370, St. Louis County, 7 p.m. to 5:30 a.m., up to two westbound lanes closed between the Missouri River and I-270.
• Route 370, St. Louis County, 6 p.m. to 5:30 a.m., up to two eastbound lanes closed between the Missouri River and I-270.
• Route AB, St. Louis County, 7 a.m. to 3 p.m., one lane closed eastbound or westbound between Ladue Pines and Beacon Hill, between Laduemont Drive to Coeur DeVille Drive and between Emerson Road and Coeur DeVille Drive. Flaggers will direct traffic through the two-lane portions of Route AB.
• Route AB, St. Louis County, 8 p.m. to 5 a.m., one lane closed between Mason Road and Emerson Road. Flaggers will direct traffic through the two-lane portions of Route AB.
• I-64, St. Charles County, 5 p.m. to 5 a.m., one lane closed eastbound from Research Park to Spirit of St. Louis overpass.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed from I-70 to Route K.
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed from Route K to I-70.
• I-64, St. Charles County, 7 a.m. to 2 p.m., up to two lanes closed westbound between Route K and Route 364.
• I-64, St. Charles County, 9 a.m. to 4p.m., up to two lanes closed eastbound between Route K and Route 364.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one eastbound lane closed from Wentzville Parkway to Route A.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one westbound lane closed from Route A to Route Z.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one westbound lane closed between Wentzville Parkway to Foristell.
• Route 370, St. Charles County, 7 p.m. to 5:30 a.m., one westbound lane closed between the Missouri River and Elm.
• Route 30, Franklin County, 7 p.m. to 6 a.m., one lane closed from Bardot Street to Route 47.
• Route 100, Franklin County, 7 a.m. to 5 p.m., one lane closed eastbound or westbound between Washington and Route OO. Flaggers will direct traffic through the two-lane portions of Route 100.
• I-55, Jefferson County, 9 p.m. until 5 a.m. Monday, McNutt under I-55 will be completely closed. Detours will be marked.
• I-55, Jefferson County, 7 p.m. to 5 a.m., up to two northbound lanes closed between Route Z and Route M.
• I-55, Jefferson County, 8 p.m. to 6 a.m., up to two southbound lanes closed between Route Z and Route M.
• I-55, Jefferson County, 9 p.m. to 5 a.m., the ramp from southbound to Route M will be closed. 

Tuesday, November 25

• I-44, St. Louis City, 9 p.m. to 5 a.m., the ramp from eastbound to southbound I-55 will be closed.
• I-44, St. Louis City, 8 p.m. to 5 a.m. the ramp from Jefferson to eastbound will be closed.
• I-55, St. Louis City, 7 p.m. to 5 a.m., two southbound lanes closed between Bayless to South Lindbergh.
• I-170, St. Louis County, 6 a.m. to 5 p.m., one lane closed along Pershall under the interstate from Hanley to Hazelwood Avenue.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed from Green Park to Reavis Road.
• Route 21, St. Louis County, 6 a.m. to 2 p.m., one northbound and southbound lane closed from Lindbergh Blvd to Green Park.
• Route 100, St. Louis County, 7 a.m. to 3 p.m., one eastbound right lane between Barrett Station Road and I-270.
• Route 267, St. Louis County, 5 a.m. to 2 p.m., one southbound lane closed River City Boulevard to Bayless.
• Route 366, St. Louis County, 6 a.m. to 3 p.m., one westbound lane closed from MacKenzie to Grant.
• Route 370, St. Louis County, 7 p.m. to 5:30 a.m., up to two westbound lanes closed between the Missouri River and I-270.
• Route 370, St. Louis County, 6 p.m. to 5:30 a.m., up to two eastbound lanes closed between the Missouri River and I-270.
• Route AB, St. Louis County, 7 a.m. to 3 p.m., one lane closed eastbound or westbound between Ladue Pines and Beacon Hill, between Laduemont Drive to Coeur DeVille Drive and between Emerson Road and Coeur DeVille Drive. Flaggers will direct traffic through the two-lane portions of Route AB.
• Route AB, St. Louis County, 8 p.m. to 5 a.m., one lane closed between Mason Road and Emerson Road. Flaggers will direct traffic through the two-lane portions of Route AB.
• I-64, St. Charles County, 5 p.m. to 5 a.m., one lane closed eastbound from Research Park to Spirit of St. Louis overpass.
• I-64, St. Charles County, 8 p.m. to 5:30 a.m., one eastbound lane closed from I-70 to Route K.
• I-64, St. Charles County, 8 p.m. to 9 a.m., one westbound lane closed from Route K to I-70.
• I-64, St. Charles County, 7 a.m. to 2 p.m., up to two lanes closed westbound between Route K and Route 364.
• I-64, St. Charles County, 9 a.m. to 4p.m., up to two lanes closed eastbound between Route K and Route 364.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one eastbound lane closed from Wentzville Parkway to Route A.
• I-70, St. Charles County, 9 p.m. to 5:30 a.m., one westbound lane closed from Route A to Route Z.
• I-70, St. Charles County, 8 p.m. to 6 a.m., one westbound lane closed between Wentzville Parkway to Foristell.
• Route 370, St. Charles County, 7 p.m. to 5:30 a.m., one westbound lane closed between the Missouri River and Elm.
• Route 30, Franklin County, 7 p.m. to 6 a.m., one lane closed from Bardot Street to Route 47.
• I-55, Jefferson County, 9 p.m. until 5 a.m. Monday, McNutt under I-55 will be completely closed. Detours will be marked.
• I-55, Jefferson County, 7 p.m. to 5 a.m., up to two northbound lanes closed between Route Z and Route M.
• I-55, Jefferson County, 8 p.m. to 6 a.m., up to two southbound lanes closed between Route Z and Route M.
• I-55, Jefferson County, 9 p.m. to 5 a.m., the ramp from southbound to Route M will be closed. 

Wednesday, November 26

• I-170, St. Louis County, 6 a.m. to noon, one lane closed along Pershall under the interstate from Hanley to Hazelwood Avenue.
• Route 21, St. Louis County, 6 a.m. to noon, one northbound and southbound lane closed from Green Park to Reavis Road.
• Route 21, St. Louis County, 6 a.m. to noon, one northbound and southbound lane closed from Lindbergh Blvd to Green Park.
• Route 100, St. Louis County, 7 a.m. to noon, one eastbound right lane between Barrett Station Road and I-270.
• Route 267, St. Louis County, 5 a.m. to noon, one southbound lane closed River City Boulevard to Bayless.
• Route 366, St. Louis County, 6 a.m. to noon, one westbound lane closed from MacKenzie to Grant.
• Route AB, St. Louis County, 7 a.m. to noon, one lane closed eastbound or westbound between Ladue Pines and Beacon Hill, between Laduemont Drive to Coeur DeVille Drive and between Emerson Road and Coeur DeVille Drive. Flaggers will direct traffic through the two-lane portions of Route AB. 

###