Interstate 155, Illinois
Roads of the Mid-South & West > Highways of the State of Illinois > Interstate 55, Illinois > Interstate 155, Illinois

Interstate 155

Interstate 155 is a north-south spur of Interstate 55. Orignating at I-55 northwest of Lincoln, and ending at Interstate 74 at Morton, it is aprox. 31 miles long. For many years the interchange at I-55 and I-155 sat for looks. As I-155 was completed, Illinois State Route 121 ran along and on portions of the highway. That is till about 1993, when I-155 was placed into operation and IL St Rt 121 was pulled back to Lincoln.

While in the state of Illinois, I-155 is multi-plexed.

I-155 is multi-plexed with...

...Illinois State Route 122, from MP15 to MP19, near Hopedale.


Interstate 155 intersects the following interstates in Illinois...

Interstate 55, at Lincoln.

The first BGS on SB I-155.

SB I-155 near I-55.

A BGS on SB I-155, north of Lincoln.

SB I-155 at I-55.

A close-up of the signs above.
Interstate 74, at Morton.

Overhead sign on EB I-74 near I-155 in Morton.


Info on the Parent Route


The northern end of I-155 at I-74 near Morton.

End on I-155 at Morton.

Ramp from NB I-155 to WB I-74.

A tornado knocked down the overhead on WB I-74 at I-155 in Morton. (2004)

NB I-155 just north of IL St Rt 98. (July, 2008)

NB I-155 at it's northern end at I-74. (July, 2008)


A BGS on EB I-74.

A guide marker in Morton.

Guide sign on IL St Rt 98 at Morton. (2001)

A guide sign on WB IL St Rt 98 at I-155. (July, 2008)

NB I-155 at Morton.

The first SB marker on SB I-155.

NB I-155 near Broadway in Morton.

NB I-155 near Main in Morton.

NB I-155 north of IL St Rt 9.

Junction marker on WB IL St Rt 9.

Looking south at I-155/IL St Rt 122 from the IL St Rt 122/Hopedale interchange overpass.

NB I-155/EB IL St Rt 122 near the Macinaw River.

A BGS on EB IL St Rt 122.

A BGS on EB IL St Rt 122.

Sign on EB IL St Rt 122.

A junction marker on WB U.S. Rt. 136.

A BGS on WB U.S. Rt. 136.

NB I-155 at U.S. Rt. 136.

NB I-155 crossing Old IL St Rt 121.

NB I-155 north of Hartsburg.

NB I-155 at Hartsburg.

NB I-155 north of Lincoln.

NB I-155 north of I-55.

NB I-155 north of Lincoln.

NB I-155 on the ramp from NB I-55 on the stack-interchange at Lincoln.

first NB guide marker on NB I-155.

A BGS on NB I-55.

A guide marker on WB IL St Rt 10/NB IL St Rt 121.

A guide marker on SB Lincoln Parkway in Lincoln.

A BGS on WB IL St Rt 10/NB IL St Rt 121.

A BGS on WB IL St Rt 10/121.

The southern end of I-155 at I-55 north of Lincoln.

The stack interchange of I-155 and I-55 at Lincoln.

Ramp from SB I-155 to NB I-55 over NB I-155 and SB I-55.

The southside of the stack. TOP TO BOTTOM: Ramp from SB I-155 to NB I-55; NB I-155; SN I-55.

NB I-55 at NB I-155.

NB I-55 at NB I-155 (NB I-155 LEFT LANES; NB I-55 RIGHT LANES).

The southern end of I-155 at I-55 near Lincoln. (2004)

The southern end marker. (2004)

The southern end. (October, 2006)

The southern end marker. (October, 2006)

4 July 2017