Road Information

Interstate 39 in Illinois Total Mileage in State: 141 miles
Northern End: At Wisconsin state line
Southern End: At I-55, in Normal
Mileage covered in Photos: 88 miles
Counties covered in Photos: Winnebago, Ogle, Lee, LaSalle
Major Junctions in Photos: I-90, near Rockford
I-88, in Rochelle
I-80, near LaSalle
Control Cities in Photos: South Beloit, Rockford, Rochelle, LaSalle

Southbound

   

Illinois welcome sign as Interstate 39 South / Interstate 90 East enter the state from Wisconsin.  (Photo taken 8/9/11).

Interstate 39 South / Interstate 90 East at the Illinois Welcome Center. Trucks over 8 tons are not allowed to enter the Welcome Center.  (Photo taken 8/9/11).

Interstate 39 South / Interstate 90 East: Road view from mile marker 1. During this 15 mile duplex, the mileage is based of I-90's mileage.  (Photo taken 8/9/11).

Interstate 39 South / Interstate 90 East approaching Exit 1 - 1 mile. As the sign says, this is the last exit before this duplex becomes part of the Illinois Tollway.  (Photo taken 8/9/11).

Interstate 39 South / Interstate 90 East: Road view from mile marker 2.  (Photo taken 8/9/11).

Interstate 39 South / Interstate 90 East approaching the toll plaza - 1 mile.  (Photo taken 8/9/11).

Interstate 39 South / Interstate 90 East at Exit 3: CR 9 - Rockton Rd  (Photo taken 8/9/11).

Sign near mile marker 3 welcoming you onto the Illinois Tollway. The sign shows that I-Pass and EZ Pass are accepted at all toll plazas.  (Photo taken 8/9/11).

I-Pass and EZ Pass tag holders can stay to the left to cruise past the toll plaza. Cash customers must stay to the right to exit off to the upcoming toll plaza.  (Photo taken 8/9/11).

Interstate 39 South / Interstate 90 East at the South Beloit toll plaza, located near mile marker 3.5.  (Photo taken 8/9/11).

Interstate 39 South / Interstate 90 East shield signs located near mile marker 4.  (Photo taken 8/9/11).

Interstate 39 South / Interstate 90 East: Road view from mile marker 5.5.  (Photo taken 8/9/11).

Use any of the next 4 exits to get to Machesney Park, Loves Park, and Belvidere.  (Photo taken 8/9/11).

Use the next exit to get to the Rockford Speedway.  (Photo taken 8/9/11).

Interstate 39 South / Interstate 90 East at the Exit for IL 173: West Lane Road. For whatever foolish reason, they do not number the exits on the Illinois Tollways.  (Photo taken 8/9/11).

Use any of the next 3 exits to get to Rockford.  (Photo taken 8/9/11).

Interstate 39 South / Interstate 90 East: Road view from mile marker 9.5.  (Photo taken 8/9/11).

Use the next exit to get to Loves Park, Machesney Park, and Rockford.  (Photo taken 8/9/11).

Interstate 39 South / Interstate 90 East at the Exit for E Riverside Blvd  (Photo taken 8/9/11).

Speed limit sign located near mile marker 13. The speed limit on most Illinois freeways is 65 mph, with a minimum speed limit of 45 mph.  (Photo taken 8/9/11).

Interstate 39 South / Interstate 90 East: Road view from mile marker 14.  (Photo taken 8/9/11).

Interstate 39 South / Interstate 90 East at the Exit for US 20 Business: State St  (Photo taken 8/9/11).

Interstate 39 South / Interstate 90 East approaching the split of the two roads. For I-90 East, stay straight ahead. For I-39 South, you will need to be in the right lane.  (Photo taken 8/9/11).

Interstate 39 South / Interstate 90 East: Road view from mile marker 15.75.  (Photo taken 8/9/11).

Interstate 39 South / Interstate 90 East approaching the split of the two roads - 1 mile.  (Photo taken 8/9/11).

Use the next exit (Interstate 39 South) to get to Cherry Valley, Freeport, and Galena.  (Photo taken 8/9/11).

Also use the next exit for the Chicago Rockford International Airport.  (Photo taken 8/9/11).

Interstate 39 South / Interstate 90 East at the end of the duplex. To stay on I-39 South, you will need to exit off here to the right. Upon doing this, you also leave the tollway.  (Photo taken 8/9/11).

Interstate 39 South at Exit 122A: Harrison Ave  (Photo taken 8/9/11).

Interstate 39 South at Exit 122B: US 20 East - Belvidere  (Photo taken 8/9/11).

Speed limit sign located near mile marker 122. The speed limit on most rural Illinois freeways is 65 mph, with a minimum speed limit of 45 mph.  (Photo taken 8/9/11).

Interstate 39 South approaching yet another split - 1 mile. This time, you will need to exit off to the right to stay on I-39 South while staying straight will take you onto US 20 West.  (Photo taken 8/9/11).

Interstate 39 South: Road view from mile marker 120.  (Photo taken 8/9/11).

Interstate 39 South at the previously mentioned split. Exit to the right here to stay on I-39 South. Staying straight will take you onto US 20 West, as stated before.  (Photo taken 8/9/11).

Interstate 39 South: Road view from the connector road taking you onto I-39 South.  (Photo taken 8/9/11).

Interstate 39 South: Road view from mile marker 118.  (Photo taken 8/9/11).

Interstate 39 South: Road view from mile marker 116.  (Photo taken 8/9/11).

Interstate 39 South at Exit 115: Baxter Road  (Photo taken 8/9/11).

Mileage sign located near mile marker 115. It's 4 miles to the IL 72 interchange, 57 miles to La Salle - Peru, and 117 miles to Bloomington - Normal.  (Photo taken 8/9/11).

Interstate 39 South: Road view from mile marker 114.  (Photo taken 8/9/11).

Interstate 39 South at Exit 111: IL 72 - Byron / Genoa  (Photo taken 8/9/11).

Interstate 39 South shield sign located near mile marker 111.  (Photo taken 8/9/11).

Interstate 39 South: Road view from mile marker 110.  (Photo taken 8/9/11).

Interstate 39 South: Road view from mile marker 106.  (Photo taken 8/9/11).

Interstate 39 South at Exit 104: IL 64 - Oregon / Sycamore  (Photo taken 8/9/11).

Interstate 39 South: Road view from mile marker 102.  (Photo taken 8/9/11).

Interstate 39 South: Road view from mile marker 101.  (Photo taken 8/9/11).

Interstate 39 South at Exit 99: IL 38 - Rochelle / DeKalb  (Photo taken 8/9/11).

Interstate 39 South approaching Exits 97B-A - 1 mile.  (Photo taken 8/9/11).

Interstate 39 South at Exit 97B: Interstate 88 West Tollway- Moline - Rock Island  (Photo taken 8/9/11).

Interstate 39 South at Exit 97A: Interstate 88 East Tollway- Chicago  (Photo taken 8/9/11).

Interstate 39 South: Road view from mile marker 95.  (Photo taken 8/9/11).

Interstate 39 South at Exit 93: Steward  (Photo taken 8/9/11).

Interstate 39 South: Road view from mile marker 92.  (Photo taken 8/9/11).

Use the next exit (Exit 87) for Shabbona Lake State Park.  (Photo taken 8/9/11).

Interstate 39 South at Exit 87: US 30 - Sterling-Rock Falls / Aurora  (Photo taken 8/9/11).

Interstate 39 South: Road view from mile marker 86.  (Photo taken 8/9/11).

Interstate 39 South at the Rest Area located near mile marker 85.  (Photo taken 8/9/11).

Interstate 39 South approaching Exit 82 - 1 mile.  (Photo taken 8/9/11).

Interstate 39 South at Exit 82: Paw Paw  (Photo taken 8/9/11).

Interstate 39 South: Road view from mile marker 76.  (Photo taken 8/9/11).

Interstate 39 South at Exit 72: US 34 - Mendota / Earlville  (Photo taken 8/9/11).

Interstate 39 South: Road view from mile marker 70.  (Photo taken 8/9/11).

Interstate 39 South: Road view from mile marker 68.  (Photo taken 8/9/11).

Interstate 39 South at Exit 66: US 52 - Troy Grove  (Photo taken 8/9/11).

Interstate 39 South: Road view from mile marker 64.  (Photo taken 8/9/11).

Interstate 39 South: Road view from mile marker 63.  (Photo taken 8/9/11).

Interstate 39 South: Road view from mile marker 61.  (Photo taken 8/9/11).

Interstate 39 South approaching Exits 59B-A - 1 mile.  (Photo taken 8/9/11).

Interstate 39 South at Exit 59B: Interstate 80 West - La Salle-Peru / Des Moines  (Photo taken 8/9/11).

Interstate 39 South at Exit 59A: Interstate 80 East - Chicago  (Photo taken 8/9/11).