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. (July, 2009)
A BGS for SB I-55 on EB I-270. (July, 2009)
EB I-270 at SB I-55/70. (July, 2009)
EB I-270 at NB I-55/EB I-70. (July, 2009)
EB I-270 over two miles from I-55/70. (August, 2022)
EB I-270 one mile from I-55/70. (August, 2022)
A BGS on EB I-270 for SB I-55. (August, 2022)
EB I-270 at SB I-55/WB I-70. (August, 2022)
A BGS for NB I-55 on EB I-270. (August, 2022)
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.
WB I-270 two miles from I-255. (June, 2023)
WB I-270 one mile from I-255. (June, 2023)
WB I-270 a half mile from I-255. (June, 2023)
WB I-270 at I-255. (June, 2023)
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 west of the Chain of Rocks Canal.
WB I-270 west of the Chain of Rocks Canal.
Photos of the Original Chain of Rocks Canal Bridges
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.
WB I-270 crossing the Chain of Rocks Canal.
WB I-270 at the Chain of Rocks Canal.
A BGS on WB I-270.
EB I-270 at IL St Rt 3.
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 at IL St Rt 203.
EB I-270 at IL St Rt 203.
WB I-270 east of IL St Rt 203.
A guide marker on EB IL St Rt 162.
A guide marker on NB IL St Rt 203 in Madison.
A set of guide markers in Venice.
An EB guide marker.
WB I-270 at IL St Rt 111. (June, 2022)
WB I-270 at IL St Rt 111. (March, 2025)
EB I-270 at IL St Rt 111. (August, 2022)
A BGS on SB IL St Rt 111.
EB I-270 east of IL St Rt 111.
WB I-270 at I-255/IL St Rt 255.
A BGS on NB I-255.
WB I-270 west of IL St Rt 157.
EB I-270 at IL St Rt 157. (August, 2022)
WB I-270 at IL St Rt 157. (March, 2025)
EB I-270 west of IL St Rt 159.
EB I-270 west of IL St Rt 159.
A BGS guide marker on NB IL St Rt 159.
EB I-270 west of I-55/70.
WB I-270 west of I-55/70.
A BGS on NB I-55.
A BGS on SB I-55.
A BGS on SB I-55.
27 June 2025