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Interstate 55 South at mile marker 19.2. Ahead, traffic from Interstate 70 West will merge into the southbound lanes of I-55, and their concurrency will run for the next 16 miles to East St. Louis. (Photo taken 5/16/18). |
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At mile marker 19, we see both Interstate 55 and Interstate 70 noted on the milepost itself. While only the west direction is shown on the milepost, this begins the Interstate 55 South / Interstate 70 West concurrency. During the concurrency, the mileage and exit numbers are based on the total mileage of I-55. (Photo taken 5/16/18). |
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Interstate 55 South / Interstate 70 West at Exit 18: IL 162 - Troy (Photo taken 5/16/18). |
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Interstate 55 South / Interstate 70 West reassurance shields at mile marker 17.8. (Photo taken 5/16/18). |
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The speed limits remain 65 mph maximum and 45 mph minimum. (Photo taken 5/16/18). |
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Interstate 55 South / Interstate 70 West at Exit 17: US 40 East - St Jacob / Highland (Photo taken 5/16/18). |
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View on Interstate 55 South / Interstate 70 West at mile marker 15.6. (Photo taken 5/16/18). |
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Take Exit 15B to Glen Carbon and Edwardsville. (Photo taken 5/16/18). |
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Interstate 55 South / Interstate 70 West at Exit 15B: IL 159 North - Maryville (Photo taken 5/16/18). |
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Interstate 55 South / Interstate 70 West at Exit 15A: IL 159 South - Collinsville (Photo taken 5/16/18). |
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Weigh Station on Interstate 55 South / Interstate 70 West in Madison County. (Photo taken 5/16/18). |
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Mileage sign on Interstate 55 South / Interstate 70 West. It's 2 miles to the junction of IL 157, 12 miles to East St. Louis, and 15 miles to St. Louis. (Photo taken 5/16/18). |
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View on Interstate 55 South / Interstate 70 West at mile marker 13. (Photo taken 5/16/18). |
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Advance signage for the junction of Interstate 255 via Exit 10 - 2 miles ahead. (Photo taken 5/16/18). |
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Mile marker 12 on Interstate 55 South / Interstate 70 West in Madison County. (Photo taken 5/16/18). |
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Take Exit 10 and follow Interstate 255 South to Cahokia Mounds Historic Site and Our Lady of Snows Shrine. (Photo taken 5/16/18). |
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Take Exit 11 to Glen Carbon. (Photo taken 5/16/18). |
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Also take Exit 11 to the Illinois State Police District 11 Headquarters and the Convention Center. (Photo taken 5/16/18). |
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Traffic to Fairmount Race Track should follow Interstate 255 South via Exit 10. (Photo taken 5/16/18). |
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Interstate 55 South / Interstate 70 West at Exit 11: IL 157 - Collinsville / Edwardsville (Photo taken 5/16/18). |
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Interstate 55 South / Interstate 70 West at Exit 10: Interstate 255 - Memphis / Interstate 270 (Photo taken 5/16/18). |
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Mile marker 8.6 on Interstate 55 South / Interstate 70 West in Madison County. (Photo taken 5/16/18). |
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Take Exit 6 to Horseshoe Lake State Park. (Photo taken 5/16/18). |
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Also take Exit 6 to Pontoon Beach and Fairmont City. (Photo taken 5/16/18). |
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Interstate 55 South / Interstate 70 West at Exit 6: IL 111 / Great River Road North - Wood River / Washington Park (Photo taken 5/16/18). |
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Speed limit signs at mile marker 5.8, as the tip of the Gateway Arch in downtown St. Louis comes into view. The speed limits remain 65 mph maximum and 45 mph minimum. (Photo taken 5/16/18). |
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Interstate 55 South / Interstate 70 West as the duplex enters St. Clair County. (Photo taken 5/16/18). |
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Take Exit 4B to Madison and Gateway Motorsports Park. (Photo taken 5/16/18). |
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Approaching Exit 4B, the maximum speed limit decreases to 55 mph as Interstate 55 South / Interstate 70 West enter the East St. Louis area. The minimum speed limit remains 45 mph. (Photo taken 5/16/18). |
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Interstate 55 South / Interstate 70 West at Exit 4B: IL 203 North - Granite City (Photo taken 5/16/18). |
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Interstate 55 South / Interstate 70 West at Exit 4A: IL 203 South - Collinsville Rd (Photo taken 5/16/18). |
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Take Exit 2A to the Riverboat Casino. (Photo taken 5/16/18). |
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Take any of the next 4 exits to East St. Louis. (Photo taken 5/16/18). |
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Take Exit 3C to get turned around onto Interstate 55 North and Interstate 70 East. (Photo taken 5/16/18). |
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Interstate 55 South / Interstate 70 West approaching Exits 3C-B - 1/2 mile. (Photo taken 5/16/18). |
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Approaching the departure of Interstate 70 West via Exit 3B, the maximum speed limit decreases to 50 mph. (Photo taken 5/16/18). |
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Interstate 55 South / Interstate 70 West at Exit 3C: Exchange Ave; Exit 3B: Interstate 70 West - Kansas City (Photo taken 5/16/18). |
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A closer look at the ramps for Exits 3C-B from Interstate 55 South as Interstate 70 West departs via Exit 3B. Ahead, I-55 South will be joined by the westbound traffic from Interstate 64 to head for downtown St. Louis. (Photo taken 5/16/18). |
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Interstate 55 South at Exit 3A: Interstate 64 East / IL 3 North - Louisville / St Clair Ave (Photo taken 5/16/18). |
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A closer view of the ramp for Exit 3A, on the left. (Photo taken 5/16/18). |
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Interstate 55 South approaching Exit 2C - 1/2 mile. Ahead, Interstate 64 West traffic will join I-55 South from the left. (Photo taken 5/16/18). |
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The speed limit remains 50 mph as traffic from Interstate 64 West merges into the southbound lanes of Interstate 55. I-55 South and I-64 West will run concurrently to the Mississippi River and Missouri border in downtown St. Louis. (Photo taken 5/16/18). |
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Interstate 55 South / Interstate 64 West approaching Exits 2C-B. Thru traffic must remain in the three center lanes. (Photo taken 5/16/18). |
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Interstate 55 South / Interstate 64 West at Exits 2C-B: Martin Luther King Bridge / Downtown St. Louis. While these exits have different numbers, they lead to the same destination and exist to provide easier access for traffic which is coming from Interstate 64 West. (Photo taken 5/16/18). |
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View on Interstate 55 South / Interstate 64 West at mile marker 2. (Photo taken 5/16/18). |
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Interstate 55 South / Interstate 64 West at Exit 2A: Third Street / Eads Bridge (Photo taken 5/16/18). |
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Take Exit 1 to Sauget. (Photo taken 5/16/18). |
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Ahead, the thru lanes of Interstate 55 South / Interstate 64 West will split for a brief time. Traffic looking to take Exit 1 should keep right at this split. (Photo taken 5/16/18). |
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Interstate 55 South / Interstate 64 West as their thru lanes split approaching the Mississippi River. All lanes go thru, and they will merge back together just before the Mississippi River and Missouri border. (Photo taken 5/16/18). |
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Interstate 55 South / Interstate 64 West at Exit: 13th St / Tudor Ave (Photo taken 5/16/18). |
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View on Interstate 55 South / Interstate 64 West in East St. Louis as the duplex approaches Exit 1 and the Mississippi River. (Photo taken 5/16/18). |
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Interstate 55 South / Interstate 64 West at Exit 1: IL 3 South / Great River Road South - Cahokia (Photo taken 5/16/18). |
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Just beyond Exit 1, the thru lanes of Interstate 55 South / Interstate 64 West prepare to come back together again after the aforementioned brief split. (Photo taken 5/16/18). |
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View on Interstate 55 South / Interstate 64 West as they begin to cross the Mississippi River into Missouri and downtown St. Louis. (Photo taken 5/16/18). |
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A view of downtown St. Louis and the Gateway Arch from Interstate 55 South / Interstate 64 West as the duplex crosses the Mississippi River from Illinois into Missouri. (Photo taken 5/16/18). |