ST. LOUIS – Drivers who use the Interstate 44 and Interstate 270 interchange in southwest St. Louis County should be prepared for delays overnight Friday as crews shift traffic onto a new exit and bridge.

Crews will close all but one westbound I-44 lane between roughly Lindbergh Boulevard and Soccer Park starting at 8 p.m. Friday, September 10 to complete the shift.  In addition, crews will close the ramps between northbound I-270 and westbound I-44, southbound I-270 to westbound I-44 and westbound I-44 to North Outer Road/Soccer Park.  However, only one ramp will be closed at a time.

All lanes and ramps are expected to reopen by 5 a.m. Saturday, September 11.

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 on-going closures:

I-64, St. Louis City, three lanes closed eastbound across the Mississippi River at the Poplar Street Bridge until October.
I-64, St. Louis City, the ramp from Jefferson to westbound will be closed until mid-October.
I-64, St. Louis City, the ramp from eastbound to Jefferson will be closed until early November.
I-64, St. Louis City, Ewing bridge over the interstate is closed until mid-October
I-64, St. Louis City, one left lane closed eastbound and westbound under Ewing until mid-October
I-44, St. Louis County, one lane closed westbound between I-270 and Bowles through early 2022
I-44, St. Louis County, two westbound lanes from Geyer Rd. to I-270 closed
I-270, St. Louis County, eastbound off-ramp to Washington Street/Elizabeth Avenue closed until fall.
I-270, St. Louis County, westbound exit ramp at Old Halls Ferry closed
I-270, St. Louis County, one lane of Dunn Road at Washington/Elizabeth closed until fall.
I-270, St. Louis County, eastbound and westbound Pershall Road is closed at Coldwater Creek until 2022.
I-270, St. Louis County, one lane of Pershall between West Florissant and Knollstone Drive will be closed until May 2022. Westbound traffic will no longer be able to use this section of Pershall.
Route 67, St. Louis County, northbound ramp to westbound I-270 closed till mid-2022.
Route 67, St. Louis County, the ramp from northbound to eastbound Route 340 is closed through mid-2022.
Route 340, St. Louis County, ramp from northbound Lindbergh to eastbound and westbound Route 340 closed
Veterans Memorial Parkway (I-70 Outer road), St. Charles County, closed between Lake St. Louis and Rue Petite Drive until December.

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

Thursday, September 9

I-64, St. Louis City, 9 a.m. to 3 p.m., one lane closed westbound from 14th Street to Jefferson
I-270, St. Louis County, 10 p.m. to 4 a.m., ramp to westbound I-44 closed
I-270, St. Louis County, 7 a.m. to 2 p.m., one lane closed eastbound and westbound from Old Halls Ferry to Hanley/Graham
I-270, St. Louis County, 7 p.m. to 5 a.m., two right lanes of westbound at Hanley/Graham closed
I-270, St. Louis County, Dunn Rd. from Old Halls Ferry to Linnell closed
I-270, St. Louis County, 1 a.m. to 5 a.m., right lane northbound closed between Dorsett Road and I-70
Route 180, St. Louis County, 9 a.m. to 3 p.m., one lane closed in each direction between I-170 and Route 67.
Route 141, St. Louis County, 8 a.m. to 3:30 p.m., one southbound lane at Route 364 closed
Route 340, St. Louis County, 8 a.m. to 3 p.m., one eastbound lane closed at Spoede and Old Olive.
Route 340, St. Louis County, 7 a.m. to 3 p.m., one westbound lane closed at Spoede and Old Olive.
Route 180, St. Louis County, 9 a.m. to 3 p.m., various lanes between I-170 to Route 67
Route 370, St. Louis County, 9 p.m. to 5 a.m., up to two lanes closed eastbound between Elm Point to Ferguson Lane
Route 370, St. Louis County, 8 p.m. to 5 a.m., one lane closed westbound from Route 94 to Elm Point
I-70, St. Charles County, 8 p.m. to 5 a.m., various lane closures eastbound from Route K to Lake St. Louis Boulevard
Route 370, St. Charles County, right lane westbound closed at Discovery Bridge
Route A, Jefferson County, 7 a.m. to 5 p.m., one lane closed eastbound and westbound at various locations between Old Route 21 and east of Collins Drive. Flaggers will direct traffic through the closures

Friday, September 10

I-44, St. Louis County, 8 p.m. to 5 a.m., up to two lanes closed westbound from Geyer Road to Soccer Park Drive
I-270, St. Louis County, 10 p.m. to 4 a.m., the northbound and southbound ramp from I-270 to westbound I-44 closed
I-44, St. Louis County, 10 p.m. to 4 a.m., the westbound I-44 exit ramp to the North Outer Road/Soccer Park Drive closed
I-270, St. Louis County, 1 a.m. to 5 a.m., right lane northbound closed between Dorsett Road and I-70
I-270, St. Louis County, 7 p.m. to 6 a.m., one eastbound lane closed from New Florissant Road to Washington/Elizabeth
I-270, St. Louis County, 7 a.m. to 2 p.m., one lane closed eastbound and westbound from Old Halls Ferry to Hanley/Graham
I-270, St. Louis County, Dunn Rd. from Old Halls Ferry to Linnell closed
Route 141, St. Louis County, 8 a.m. to 3:30 p.m., one southbound lane at Route 364 closed
Route 340, St. Louis County, 8 a.m. to 3 p.m., one eastbound lane closed at Spoede and Old Olive.
Route 340, St. Louis County, 7 a.m. to 3 p.m., one westbound lane closed at Spoede and Old Olive.
Route 180, St. Louis County, 9 a.m. to 3 p.m., various lanes between I-170 to Route 67I-70, St. Charles County, 8 p.m. to 5 a.m., various lane closures eastbound from Route K to Lake St. Louis Boulevard
Route 370, St. Louis County, 10 a.m. to 5 a.m. Monday, up to two lanes eastbound closed between Elm Point to Ferguson Lane
Route A, Jefferson County, 7 a.m. to 5 p.m., one lane closed eastbound and westbound at various locations between Old Route 21 and east of Collins Drive. Flaggers will direct traffic through the closures

Saturday, September 11

I-270, St. Louis County, Dunn Rd. from Old Halls Ferry to Linnell closed
I-270, St. Louis County, 1 a.m. to 6 a.m., right lane northbound closed between Dorsett Road and I-70
Route 370, St. Louis County, 10 a.m. to 5 a.m. Monday, up to two lanes eastbound closed between Elm Point to Ferguson Lane

Sunday, September 12

I-270, St. Louis County, Dunn Rd. from Old Halls Ferry to Linnell closed
I-255, St. Louis County, three right lanes closed over I-55 and the Lemay Ferry ramp to I-255 northbound closed
Route 370, St. Louis County, 10 a.m. to 5 a.m. Monday, up to two lanes eastbound closed between Elm Point to Ferguson Lane

Monday, September 13

I-44, St. Louis County, 9 a.m. to 3 p.m., one lane closed on the north outer road between Bowles and Maritz
I-44, St. Louis County, 7 p.m. to 5 a.m., one lane closed on the south outer road between Maritz and Bowles
I-44, St. Louis County, 7 p.m. to 5 a.m., two left lanes closed eastbound and westbound at Route 109
I-44, St. Louis County, 9 a.m. to 3 p.m., one lane closed eastbound and westbound at the Meramec River
I-270, St. Louis County, 7 a.m. to 2 p.m., one lane closed eastbound and westbound from Old Halls Ferry to Hanley/Graham
I-270, St. Louis County, Dunn Rd. from Old Halls Ferry to Linnell closed
Route 141, St. Louis County, 8 a.m. to 3:30 p.m., one southbound lane at Route 364 closed
Route 340, St. Louis County, 8 a.m. to 3 p.m., one eastbound lane closed at Spoede and Old Olive.
Route 340, St. Louis County, 7 a.m. to 3 p.m., one westbound lane closed at Spoede and Old Olive.
Route 180, St. Louis County, 9 a.m. to 3 p.m., various lanes between I-170 to Route 67I-70, St. Charles County, 8 p.m. to 5 a.m., various lane closures westbound from Route K to Lake St. Louis Boulevard
Route A, Jefferson County, 7 a.m. to 5 p.m., one lane closed eastbound and westbound at various locations between Old Route 21 and east of Collins Drive. Flaggers will direct traffic through the closures

Tuesday, September 14

I-44, St. Louis City, 10 p.m. to noon Wednesday, two lanes westbound between South 39th Street and Thurman Avenue
I-270, St. Louis County, two right lanes southbound closed at Rott Road
I-44, St. Louis County, 9 a.m. to 3 p.m., one lane closed eastbound and westbound at the Meramec River
I-270, St. Louis County, 6 a.m. to 12 p.m., westbound exit ramp at Old Halls Ferry closed
I-270, St. Louis County, Dunn Rd. from Old Halls Ferry to Linnell closed
I-44, St. Louis County, 9 a.m. to 3 p.m., one lane closed on the north outer road between Bowles and Maritz
I-44, St. Louis County, 7 p.m. to 5 a.m., one lane closed on the south outer road between Maritz and Bowles
Route 340, St. Louis County, 8 a.m. to 3 p.m., one eastbound lane closed at Spoede and Old Olive.
Route 340, St. Louis County, 7 a.m. to 3 p.m., one westbound lane closed at Spoede and Old Olive.
Route 180, St. Louis County, 9 a.m. to 3 p.m., various lanes between I-170 to Route 67
I-70, St. Charles County, 8 p.m. to 5 a.m., various lane closures westbound from Route K to Lake St. Louis Boulevard
Route 370, St. Louis County, 8 p.m. to 5 a.m., one lane closed westbound from Route 94 to Elm Point
Route A, Jefferson County, 7 a.m. to 5 p.m., one lane closed eastbound and westbound at various locations between Old Route 21 and east of Collins Drive. Flaggers will direct traffic through the closures

Wednesday, September 15

I-44, St. Louis County, 9 a.m. to 3 p.m., one lane closed on the north outer road between Bowles and Maritz
I-44, St. Louis County, 7 p.m. to 5 a.m., one lane closed on the south outer road between Maritz and Bowles
I-44, St. Louis County, 9 a.m. to 3 p.m., one lane closed eastbound and westbound at the Meramec River
I-270, St. Louis County, westbound exit ramp at Old Halls Ferry closed
I-270, St. Louis County, Dunn Road from Old Halls Ferry to Linnell closed
Route 141, St. Louis County, 8 a.m. to 3:30 p.m., one southbound lane at Route 364 closed
Route 340, St. Louis County, 8 a.m. to 3 p.m., one eastbound lane closed at Spoede and Old Olive.
Route 340, St. Louis County, 7 a.m. to 3 p.m., one westbound lane closed at Spoede and Old Olive.
Route 180, St. Louis County, 9 a.m. to 3 p.m., various lanes between I-170 to Route 67
I-70, St. Charles County, 8 p.m. to 5 a.m., various lane closures westbound from Route K to Lake St. Louis Boulevard
Route 370, St. Louis County, 8 p.m. to 5 a.m., one lane closed westbound from Route 94 to Elm Point
Route A, Jefferson County, 7 a.m. to 5 p.m., one lane closed eastbound and westbound at various locations between Old Route 21 and east of Collins Drive. Flaggers will direct traffic through the closures

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