Interstate 270 (Saint Louis)

Missouri and Illinois

Auxiliary Route of I-70

Missouri

End I-255 South at I-55/I-270

I-55/I-255/I-270 Interchange

1 sign

I-270 West - Exit 2

Exit 2

1 sign

US-67 South - Old Dunn Road and I-270 Interchange

Exit 25

1 sign

I-270 East - Exits 27A and 27B

I-270/I-170 Interchange

1 sign

I-270 East - Exits 26B and Exit 27

Exit 26B

1 sign

I-270 East - Exit 30 and 31

Exit 30

1 sign

I-270 East - Exit 31

Exit 31

1 sign

I-270 East - Distance Marker

Exit 33

1 sign

I-270 East - Illinois State Line

Missouri/Illinois State Line

1 sign

Illinois

IL-3 North at I-270

Exit 3

3 signs

I-270 East - Exit 4

Exit 4

1 sign

I-270 East - Exit 7

I-255/I-270 Interchange

3 signs