Road Information |
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| Total Mileage in State: | 16 miles | |
| Western End: | At Missouri state line | |
| Southern End: | At I-55/I-70, near Troy | |
| Mileage covered in Photos: | 16 miles | |
| Counties covered in Photos: | Madison | |
| Major Junctions in Photos: | I-255, in Pontoon Beach |
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| Control Cities in Photos: | Troy, Glen Carbon, Pontoon Beach | |
Westbound
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Interstate 270 West as it begins at the junction of Interstate 70 / Interstate 55 near Troy. (Photo taken 5/16/18). |
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Interstate 270 West at Exit 15B: Interstate 55 North - Chicago (Photo taken 5/16/18). |
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Interstate 270 West reassurance shield. (Photo taken 5/16/18). |
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The speed limits on Interstate 270 West start out at 65 mph maximum and 45 mph minimum. (Photo taken 5/16/18). |
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Interstate 270 West at mile marker 14. (Photo taken 5/16/18). |
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Mileage sign on Interstate 270 West. It's 2 miles to the junction of IL 159, 135 miles to Columbia, MO and 267 miles to Kansas City. (Photo taken 5/16/18). |
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Take either of the next 2 exits to Glen Carbon. (Photo taken 5/16/18). |
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Take Exit 12 to Maryville. (Photo taken 5/16/18). |
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Interstate 270 West at Exit 12: IL 159 - Collinsville / Edwardsville (Photo taken 5/16/18). |
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Interstate 270 West approaching Exit 9 - 1 mile. (Photo taken 5/16/18). |
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Take Exit 9 to Glen Carbon SIUE Campus. (Photo taken 5/16/18). |
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Interstate 270 West at mile marker 10. (Photo taken 5/16/18). |
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Interstate 270 West at Exit 9: IL 157 - Collinsville / Edwardsville (Photo taken 5/16/18). |
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Interstate 270 West approaching Exits 7B-A - 1 mile. (Photo taken 5/16/18). |
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Interstate 270 West at mile marker 8. (Photo taken 5/16/18). |
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Interstate 270 West at Exit 7B: IL 255 North - Alton (Photo taken 5/16/18). |
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Interstate 270 West at Exit 7A: Interstate 255 South - Memphis (Photo taken 5/16/18). |
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Take Exit 6A to Great River Road South, and take Exit 3B to Great River Road North. (Photo taken 5/16/18). |
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Interstate 270 West at Exit 6B: IL 111 North - Wood River (Photo taken 5/16/18). |
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Interstate 270 West at Exit 6A: IL 111 South / Great River Road South - Pontoon Beach (Photo taken 5/16/18). |
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Interstate 270 West reassurance shield at mile marker 5.4. (Photo taken 5/16/18). |
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Approaching Exit 4, the maximum speed limit decreases to 55 mph. The minimum speed limit remains 45 mph. (Photo taken 5/16/18). |
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Take Exit 4 to Southwestern Illinois College and Gateway Motorsports Park. (Photo taken 5/16/18). |
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Interstate 270 West at Exit 4: IL 203 - Granite City (Photo taken 5/16/18). |
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Interstate 270 West at mile marker 4. (Photo taken 5/16/18). |
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Take Exit 3 to the Riverboat Casino. (Photo taken 5/16/18). |
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Another Interstate 270 West reassurance shield. (Photo taken 5/16/18). |
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Take Exit 3 to Lewis and Clark Historic Site / Lock and Dam 27. (Photo taken 5/16/18). |
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Interstate 270 West at Exit 3: IL 3 / Great River Road Spur - Alton / Granite City (Photo taken 5/16/18). |
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The speed limits remain 55 mph maximum and 45 mph minimum. (Photo taken 5/16/18). |
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Interstate 270 West at mile marker 1.4. (Photo taken 5/16/18). |
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Interstate 270 West as it approaches the New Chain of Rocks Bridge over the Mississippi River. (Photo taken 5/16/18). |
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Take Exit 34 (the first exit on Interstate 270 West in Missouri) to Columbia Bottom Conservation Area. (Photo taken 5/16/18). |
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Interstate 270 West at mile marker 0.6, as it starts across the Mississippi River via the New Chain of Rocks Bridge. (Photo taken 5/16/18). |
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Interstate 270 West at mile marker 0.2, as it continues across the New Chain of Rocks Bridge over the Mississippi River and prepares to cross into Missouri. (Photo taken 5/16/18). |