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The Illinois Department of Transportation (IDOT) is a state agency in charge of state-maintained public roadways of the U.S. state of Illinois. In addition, IDOT provides funding for rail, public transit and airport projects and administers fuel tax and federal funding to local jurisdictions in the state. The Secretary of Transportation reports ...
Illinois has used route numbers from IL 1 through IL 186 inclusive[2]as well as many others up to IL 594. [3] Illinois has used letter suffixes on several state highways, including "A", "B". "C", "N" (for north) and "S" (for south).[2] A, B and C suffixes were used for spurs of a nearby route, the N and S were legs of IL 113on either side of ...
The State Highway System was created in 1918 with the first State Bond Issue (SBI) Routes, 1 through 46. Bonds were floated to pay for specific routes. SBI # 1 paid for Route 1, and so on. These initial 46 route numbers marked the major infrastructure roads desired by the state legislature in 1918. Remarkably, many of these numbers still exist ...
Local names Formed Removed Notes CR 1: 1.51: 2.43 South DuPage–Will county line (87th Street) CR 33 (West 75th Street) Plainfield–Naperville Road — — Southern segment, Plainfield-Naperville Road continues south as Will County Highway 14 CR 1: 3.24: 5.21 US 34 (Ogden Avenue) in Naperville: CH 32 (Warrenville Road) in Warrenville
The Interstate Highway System in Illinois consists of 13 primary highways and 11 auxiliary highways which cover 2,248.93 miles (3,619.30 km). [2] The Interstate Highway with the longest section in Illinois is Interstate 57 at 358.57 miles (577.06 km); the shortest is Interstate 41 at 0.90 miles (1.45 km).
Level of service (transportation) Level of service (LOS) is a qualitative measure used to relate the quality of motor vehicle traffic service. LOS is used to analyze roadways and intersections by categorizing traffic flow and assigning quality levels of traffic based on performance measure like vehicle speed, density, congestion, etc.
Tollways. Scenic. ← US 52. → US 54. Illinois Route 53 (IL 53) is an arterial north–south state highway in northeast Illinois. IL 53 runs from Main Street west of historic U.S. Route 66 (US 66) in Gardner to IL 83 in Long Grove, a distance of 82.02 miles (132.00 km). [1] It mainly cuts through the western suburbs of Chicago, passes through ...
Illinois Route 19. Illinois Route 19 (abbreviated IL-19, or simply Illinois 19) is a major east–west arterial state highway in northeastern Illinois, United States. It runs from Illinois Route 25 (Liberty St.) in Elgin, to Lake Shore Drive (U.S. Route 41) on the north side of Chicago. Illinois 19 is 33.64 miles (54.14 km) long. [1]