Interstate 270, Illinois
Roads of the Mid-South & West > Highways of the State of Illinois > Interstate 70, Illinois > Interstate 270, Illinois

Interstate 270

Interstate 270 is a east-west highway in the St. Louis Metro Area. This is located in Southwestern Illinois. It runs from the interchange of Interstate 55/70, west to the Missouri/Illinois State Line, near the famed Chain of Rocks Bridge.

Interstate 270 is not multi-plexed in Illinois.

In Illinois, Interstate 270 crosses the following interstates.


Interstate 55, near Troy.

WB I-270 at NB I-55. (June, 2010)

Interstate 70, near Troy.

EB I-270 two miles from I-55/70.

EB I-270 one mile from I-55/70.

A BGS for SB I-55 on EB I-270.

EB I-270 at SB I-55/70.

EB I-270 at NB I-55 & EB I-70.
Interstate 255, near Pontoon Beach.

A BGS on EB I-270.

A BGS on EB I-270 at IL St Rt 111. (September, 2007)

EB I-270 near I-255IL St Rt 255. (September, 2007)

EB I-270 at I-255.

EB I-270 at I-255. (September, 2007)

WB I-270 two miles from I-255.

WB I-270 one mile from I-255.

WB I-270 near I-255.

WB I-270 at I-255.


Info on the parent route of I-270 in Illinois.



EB I-270 at the Illinois/Missouri State Line.

EB I-270 at the Illinois Welcome Sign.

EB I-270 at the Illinois Welcome Sign. (September, 2007)

EB I-270 near the Chain of Rocks Canal Bridge.

EB I-270 at the Chain of Rocks Canal.

EB I-270 crossing the Chain of Rocks Canal.

A BGS on SB IL St Rt 3.

A BGS on SB IL St Rt 3.

A BGS on SB IL St Rt 3.

A junction marker on SB Old U.S. Rt. 66.

A guide marker on NB IL St Rt 203.

WB I-270 east of IL St Rt 203.

A guide marker on EB IL St Rt 162.

A set of guide markers in Venice.

A BGS on SB IL St Rt 111.

WB I-270 at I-255/IL St Rt 255.

EB I-270 west of IL St Rt 159.

A BGS guide marker on NB IL St Rt 159.

WB I-270 west of IL St Rt 157.

WB I-270 west of I-55/70.

A BGS on NB I-55.

3 February 2015