ST. LOUIS – The Missouri Department of Transportation will host a groundbreaking ceremony with KCI Construction with Bartlett & West to mark the celebratory start of construction for the Interstate 55 Corridor Improvements Project.
The ceremony will be held on Friday, March 8 at 11 a.m. on the vacant lot adjacent to the Herculaneum Commuter Lot (McNutt Road south of I-55/McNutt Interchange) in Jefferson County.
Along with adding a third lane to Interstate 55 from Route Z to US 67, the project will alleviate the traffic bottlenecks in the corridor and will improve safety and reliability on both I-55 and US 67.
To learn more about the I-55 project, visit www.modot.org/interstate-55-corridor-upgrades-jefferson.
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 Welcome to Gateway Guide! | Missouri Department of Transportation (modot.org). 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, the ramp from northbound to Loughborough will be closed through 2024.
- I-55, St. Louis City, the ramp from Germania to northbound will be closed through 2024.
- I-55, St. Louis City, one northbound lane closed between Lindbergh and Reavis Barracks Road through 2024
- I-55, St. Louis City, two northbound lanes closed between Reavis Barracks Rd. and Virginia through 2024.
- I-55, St. Louis City, the Cherokee entrance ramp to southbound I-55 closed through 2024.
- I-55, St. Louis City, one southbound lane closed between I-44 and Gasconade through 2025.
- I-55, St. Louis City, two southbound lanes closed between Gasconade and Lindbergh through 2024
- I-55, St. Louis City, the ramp from Lafayette to southbound I-55 is closed through 2024.
- I-55, St. Louis County, one northbound lane to Lemay Ferry exit closed through 3:30 p.m., March 16.
- I-270, St. Louis County, Riverview Dr. entrance ramp to eastbound I-270 closed through July 2024.
- I-270, St. Louis County, southbound Riverview Dr. under I-270 closed through 2024.
- Route 141, St. Louis County, Monday, one of the two left turn lanes from northbound to Casino Center Drive is closed through the end of March.
- Route 21, Jefferson County, one lane closed southbound from Meramec Heights to Shady Valley through mid-2024.
- Route 21, Jefferson County, one northbound lane closed from Schenk Rd. to Route 141.
Please see the list of daily road closures, weather permitting:
Thursday, March 7
- I-64, St. Louis City, 7 a.m. to 2 p.m., one lane closed on Compton.
- I-44, St. Louis County, 6 a.m. to 2:30 p.m., various lanes closed westbound from Allenton Road to Route 109.
- I-44, St. Louis County, 7 p.m. to 1:30 p.m., up to two westbound lanes closed between Antire and MM268.
- I-170, St. Louis County, 7 a.m. to 3 p.m., one northbound ramp lane closed to eastbound I-270.
- Route 67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Olive to Ladue.
- Route 67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Schuetz Road to Old Olive Street Road.
- Route 100, St. Louis County, 5 a.m. to 2 p.m., one westbound lane closed from Geyer Road to Ballas Road.
- Route 100, St. Louis County, 5 a.m. to 2 a.m., two eastbound and westbound lanes closed from the I-270 off ramp to Tallie Drive.
- Route 340, St. Louis County, 7 a.m. to 3 p.m., one eastbound and westbound lane closed between Fernview Drive and Timber Run Drive.
- Route 364, St. Louis County, 7 a.m. to 3 p.m., one lane closed eastbound at Creve Coeur Mill Road.
- I-70, St. Charles County, 9 a.m. to 3 p.m., one eastbound lane closed at Fairgrounds.
- Route 370, St. Charles County, 9 a.m. to 5 p.m., one eastbound lane closed over the Missouri River.
- Route 100, Franklin County, 8 a.m. to 3:30 p.m., one lane closed eastbound and westbound from Washington Crossing to South Point Road.
- I-55, Jefferson County, 7 p.m. to 5 a.m., one northbound lane closed near Route Z.
Friday, March 8
- I-64, St. Louis City, 7 a.m. to 2 p.m., one lane closed on Compton.
- I-44, St. Louis County, 6 a.m. to 2:30 p.m., various lanes closed westbound from Allenton Road to Route 109.
- I-170, St. Louis County, 7 a.m. to 3 p.m., one northbound ramp lane closed to eastbound I-270.
- Route 67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Olive to Ladue.
- Route 67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Schuetz Road to Old Olive Street Road.
- Route 100, St. Louis County, 5 a.m. to 2 p.m., one westbound lane closed from Geyer Road to Ballas Road.
- Route 100, St. Louis County, 5 a.m. to 2 a.m., two eastbound and westbound lanes closed from the I-270 off ramp to Tallie Drive.
- Route 340, St. Louis County, 7 a.m. to 3 p.m., one eastbound and westbound lane closed between Fernview Drive and Timber Run Drive.
- Route 364, St. Louis County, 7 a.m. to 3 p.m., one lane closed eastbound at Creve Coeur Mill Road.
- I-70, St. Charles County, 9 a.m. to 3 p.m., one eastbound lane closed at Fairgrounds.
- Route 370, St. Charles County, 9 a.m. to 5 p.m., one eastbound lane closed over the Missouri River.
- Route 100, Franklin County, 8 a.m. to 3:30 p.m., one lane closed eastbound and westbound from Washington Crossing to South Point Road.
Saturday, March 9
No Scheduled Closures
Sunday, March 10
No Scheduled Closures
Monday, March 11
- I-44, St. Louis County, 6 a.m. to 2:30 p.m., various lanes closed westbound from Allenton Road to Route 109.
- I-44, St. Louis County, 7 p.m. to 1:30 p.m., up to two westbound lanes closed between Antire and MM268.
- Route 67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Olive to Ladue.
- Route 67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Schuetz Road to Old Olive Street Road.
- Route 100, St. Louis County, 5 a.m. to 2 p.m., one westbound lane closed from Geyer Road to Ballas Road.
- Route 100, St. Louis County, 5 a.m. to 2 a.m., two eastbound and westbound lanes closed from the I-270 off ramp to Tallie Drive.
- Route 340, St. Louis County, 7 a.m. to 3 p.m., one eastbound and westbound lane closed between Fernview Drive and Timber Run Drive.
- Route 364, St. Louis County, 7 a.m. to 3 p.m., one lane closed eastbound at Creve Coeur Mill Road.
- I-70, St. Charles County, 7 a.m. to 3 p.m., one westbound lane under Cave Springs/Zumbehl closed.
- I-70, St. Charles County, 9 a.m. to 3 p.m., one eastbound lane under Cave Springs/Zumbehl closed.
- Route 100, Franklin County, 8 a.m. to 3:30 p.m., one lane closed eastbound and westbound from Washington Crossing to South Point Road.
- I-55, Jefferson County, 8 p.m. to 6 a.m., one northbound lane closed near Route Z.
Tuesday, March 12
- I-44, St. Louis County, 6 a.m. to 2:30 p.m., various lanes closed westbound from Allenton Road to Route 109.
- I-44, St. Louis County, 7 p.m. to 1:30 p.m., up to two westbound lanes closed between Antire and MM268.
- Route 67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Olive to Ladue.
- Route 67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Schuetz Road to Old Olive Street Road.
- Route 100, St. Louis County, 5 a.m. to 2 p.m., one westbound lane closed from Geyer Road to Ballas Road.
- Route 100, St. Louis County, 5 a.m. to 2 a.m., two eastbound and westbound lanes closed from the I-270 off ramp to Tallie Drive.
- Route 340, St. Louis County, 7 a.m. to 3 p.m., one eastbound and westbound lane closed between Fernview Drive and Timber Run Drive.
- I-70, St. Charles County, 7 a.m. to 3 p.m., one westbound lane under Cave Springs/Zumbehl closed.
- I-70, St. Charles County, 9 a.m. to 3 p.m., one eastbound lane under Cave Springs/Zumbehl closed.
- Route 100, Franklin County, 8 a.m. to 3:30 p.m., one lane closed eastbound and westbound from Washington Crossing to South Point Road.
- I-55, Jefferson County, 8 p.m. to 6 a.m., one northbound lane closed near Route Z.
Wednesday, March 13
- I-44, St. Louis County, 6 a.m. to 2:30 p.m., various lanes closed westbound from Allenton Road to Route 109.
- I-44, St. Louis County, 7 p.m. to 1:30 p.m., up to two westbound lanes closed between Antire and MM268.
- Route 67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Olive to Ladue.
- Route 67, St. Louis County, 8:30 a.m. to 3 p.m., one southbound lane closed from Schuetz Road to Old Olive Street Road.
- Route 100, St. Louis County, 5 a.m. to 2 p.m., one westbound lane closed from Geyer Road to Ballas Road.
- Route 100, St. Louis County, 5 a.m. to 2 a.m., two eastbound and westbound lanes closed from the I-270 off ramp to Tallie Drive.
- Route 340, St. Louis County, 7 a.m. to 3 p.m., one eastbound and westbound lane closed between Fernview Drive and Timber Run Drive.
- I-70, St. Charles County, 7 a.m. to 3 p.m., one westbound lane under Cave Springs/Zumbehl closed.
- I-70, St. Charles County, 9 a.m. to 3 p.m., one eastbound lane under Cave Springs/Zumbehl closed.
- Route 100, Franklin County, 8 a.m. to 3:30 p.m., one lane closed eastbound and westbound from Washington Crossing to South Point Road.
- I-55, Jefferson County, 8 p.m. to 6 a.m., one northbound lane closed near Route Z.
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Districts Involved
St. Louis
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