INTERSTATE 55
- Number of Miles- 941 miles
- Louisiana- 64 miles
- Mississippi- 290.494 miles
- Tennessee- 12 miles
- Arkansas- 73 miles
- Missouri- 209 miles
- Illinois- 293 miles
- Southern End- La Place, LA at I-10
- Northern End- Chicago, Il at US 41 (Lake Shore Drive)
- Major Cities Along the Route-
- New Orleans, LA
- Jackson, MS
- Memphis, TN
- St Louis, MO
- Chicago, IL
- Intersections with other Interstates
- I-10 in La Place, LA
- I-12 in Hammond, LA
- I-20 in Jackson, MS
- I-40 in Memphis, TN
- I-57 in Miner, MO
- I-44 in St Louis, MO
- I-64 in St Louis, MO
- I-70 in St Louis, MO. They stay joined until
an exit near Troy, IL.
- I-72 in Springfield, IL
- I-74 in Normal, IL
- I-39 in Normal, IL
- I-80 in Shorewood, IL
- I-90 in Chicago, IL
- I-94 in Chicago, IL
- Spur Routes-
- Caruthersville, MO- I-155
- St Louis, MO- I-255
- Spur to Peoria, IL- I-155
- Chicago, IL- I-355
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