Road Information |
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| Total Mileage in State: | 27 miles | |
| Northern End: | At I-270, in Pontoon Beach | |
| Southern End: | At Missouri state line | |
| Mileage covered in Photos: | 27 miles | |
| Counties covered in Photos: | Monroe, St. Clair, Madison | |
| Major Junctions in Photos: | I-64 in Washington Park I-70 / I-55 in Collinsville I-270, in Pontoon Beach |
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| Control Cities in Photos: | East St. Louis, Dupo, Collinsville, Pontoon Beach | |
Northbound
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Interstate 255 North as it crosses the Mississippi River into Illinois from Missouri. (Photo taken 5/16/18). |
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Interstate 255 North at mile marker 4. The mileage for I-255 in Illinois is continuous from its 3-mile length in Missouri, making the first milepost in Illinois mile marker 4. (Photo taken 5/16/18). |
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Speed limit signs on Interstate 255 North. The speed limits on I-255 in Illinois is 65 mph maximum and 45 mph minimum for its entire duration. (Photo taken 5/16/18). |
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Illinois welcome sign on Interstate 255 North. (Photo taken 5/16/18). |
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Interstate 255 North at mile marker 5. Although I-255 North in Illinois starts out heading due east, it is signed as northbound for its entire length. (Photo taken 5/16/18). |
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Interstate 255 North at Exit 6: IL 3 South / Great River Road South - Columbia (Photo taken 5/16/18). |
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Just beyond Exit 6, Interstate 255 curves to the north. (Photo taken 5/16/18). |
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Interstate 255 North as it enters St. Clair County. (Photo taken 5/16/18). |
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Mileage sign on Interstate 255 North. It's 11 miles to East St. Louis, 242 miles to Indianapolis, and 297 miles to Chicago. (Photo taken 5/16/18). |
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Interstate 255 North at mile marker 8. (Photo taken 5/16/18). |
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Interstate 255 North at Exit 9: Dupo (Photo taken 5/16/18). |
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Interstate 255 North at Exit 10: IL 3 North / Great River Road North - Cahokia / East St Louis (Photo taken 5/16/18). |
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Interstate 255 North reassurance shield at mile marker 10.8. (Photo taken 5/16/18). |
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Mileage sign on Interstate 255 North. It's 9 miles to the junction of Interstate 64, 15 miles to Collinsville, and 293 miles to Chicago. (Photo taken 5/16/18). |
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Interstate 255 North at Exit 13: IL 157 - Cahokia (Photo taken 5/16/18). |
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Take Exit 15 to St Louis Downtown Airport, Cahokia, GCS Ballpark, and the Southwestern Illinois Welcome Center. (Photo taken 5/16/18). |
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Also take Exit 15 to Sauget Business Parkway. (Photo taken 5/16/18). |
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Interstate 255 North at Exit 15: Mousette Lane (Photo taken 5/16/18). |
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Take Exit 17A to Our Lady Of The Snows Shrine. (Photo taken 5/16/18). |
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Take Exit 17B to Alorton, Centreville, and the Riverboat Casino. (Photo taken 5/16/18). |
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Interstate 255 North at Exit 17A: IL 15 East - Belleville (Photo taken 5/16/18). |
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Interstate 255 North at Exit 17B: IL 15 West - Missouri Ave / East St Louis (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 255 North at mile marker 18. (Photo taken 5/16/18). |
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Take Exit 19 to Frank Holten State Park. (Photo taken 5/16/18). |
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Interstate 255 North at Exit 19: State Street / East St Louis (Photo taken 5/16/18). |
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Interstate 255 North approaching Exit 20 - 1/4 mile. (Photo taken 5/16/18). |
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Interstate 255 North at Exit 20: Interstate 64 / US 50 - Louisville / St Louis (Photo taken 5/16/18). |
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Interstate 255 North at mile marker 22. (Photo taken 5/16/18). |
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Take Exit 24 to Fairmount Race Track and Cahokia Mounds Historic Site. (Photo taken 5/16/18). |
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Interstate 255 North at Exit 24: Collinsville Road (Photo taken 5/16/18). |
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Interstate 255 North as it enters Madison County. (Photo taken 5/16/18). |
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Interstate 255 North approaching Exits 25A-B - 1/4 mile. (Photo taken 5/16/18). |
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Interstate 255 North at Exit 25A: Interstate 55 North / Interstate 70 East - Chicago / Indianapolis (Photo taken 5/16/18). |
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Interstate 255 North at Exit 25B: Interstate 55 South / Interstate 70 West - St Louis (Photo taken 5/16/18). |
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Interstate 255 North at mile marker 25. (Photo taken 5/16/18). |
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Take Exit 26 to the State Police District 11 Headquarters and Convention Center. (Photo taken 5/16/18). |
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Also take Exit 26 to Horseshoe Lake State Park. (Photo taken 5/16/18). |
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Interstate 255 North at Exit 26: Horseshoe Lake Road (Photo taken 5/16/18). |
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Interstate 255 North at mile marker 27. (Photo taken 5/16/18). |
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Interstate 255 North at mile marker 28. (Photo taken 5/16/18). |
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Take Exit 29 to Pontoon Beach. (Photo taken 5/16/18). |
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Interstate 255 North at Exit 29: IL 162 - Glen Carbon / Granite City (Photo taken 5/16/18). |
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Interstate 255 North approaching Exit 30 - 1 mile. (Photo taken 5/16/18). |
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Interstate 255 North at mile marker 29.4. (Photo taken 5/16/18). |
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Interstate 255 North at Exit 30: Interstate 270 - Indianapolis / Kansas City (Photo taken 5/16/18). |
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Interstate 255 North at mile marker 30.6, nearing its northern terminus. (Photo taken 5/16/18). |
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Just north of mile marker 30.8, Interstate 255 reaches its northern terminus as it becomes IL 255 North. (Photo taken 5/16/18). |