Illinois Route 121

The Illinois State Route 121 ( IL 121 short ) is a state highway in the U.S. state of Illinois, which runs in a north -south direction.

The State Route begins at the Illinois State Route 130 in Greenup and ends after 176 kilometers in Lincoln on Interstate 55 and at Illinois State Route 10

Course

From Greenup State Route 121 runs initially in a westerly direction and meets at the border on Interstate 70 from the Montrose Road leads north. Together with U.S. Highway 45 crosses south of Mattoon Interstate 57 in the center of the city, she meets State Route 16 and in the north it separates the IL 121 Mattoon leaves in a northwesterly direction again from U.S. 45. In Sullivan uses them for a few kilometers, the route of the Illinois State Route 32 in Dalton City, the Illinois State Route 128 branches off in a southerly direction.

Together with U.S. Highway 36 reaches the IL 121, the city of Decatur and cross the Lake Decatur. At the junction with State Route 105 separates it again from U.S. 36 and performs with the Illinois State Route 48 together at the Pershing Road impinges on U.S. Highway 51 from Interstate 72 leaves the city in a north-westerly direction. To the east of Mount Pulaski IL 121 is crossed by State Route 54. By Lincoln it runs jointly with the Illinois State Route 10 and ends west of Lincoln on Interstate 55