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The police version of ten-codes is officially known as the APCO Project 14 Aural Brevity Code.[1] The codes, developed during 1937–1940 and expanded in 1974 by the Association of Public-Safety Communications Officials-International (APCO), allow brevity and standardization of message traffic. They have historically been widely used by law ...
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 ...
This is a list of airports in Illinois (a U.S. state), grouped by type and sorted by location.It contains all public-use and military airports in the state. Some private-use and former airports may be included where notable, such as previously public-use airports, those with commercial enplanements recorded by the FAA or airports assigned an IATA airport code.
The Will County Highway System is a county-maintained system of arterial county highways in Will County, Illinois, United States.They are marked with the standard M1-6 [1] pentagon-shaped highway marker on the base of traffic signals at intersections with other county highways.
I-94 in Illinois is 61.53 miles (99.02 km) long. [1] The William G. Edens Expressway (also known as the Edens Parkway[2] and the Edens Superhighway[3]) is the main major expressway north from the city of Chicago to Northbrook. Only the short portion from the spur ramp to the expressway's end in Highland Park does not carry I-94.
Kankakee to Fairfield, replaced by US-45. Reused in the 1930s on current route. Originally Freeport to Polo, extended north to the state line to replace IL-74 and south to Bureau then E. Peoria replacing IL-89 and IL-87 in part. Rerouted to the I-180 bridge in the 1990s due to a bridge removal over the Illinois River.
The Illinois Department of Transportation was created by the 77th Illinois General Assembly in January 1972. The department absorbed the functions of the former Department of Public Works and Buildings, acquired some planning and safety inspection functions of other state agencies, and received responsibility for state assistance to local mass transportation agencies such as the Chicago-area ...
The Manual on Uniform Traffic Control Devices for Streets and Highways (usually referred to as the Manual on Uniform Traffic Control Devices, abbreviated MUTCD) is a document issued by the Federal Highway Administration (FHWA) of the United States Department of Transportation (USDOT) to specify the standards by which traffic signs, road surface markings, and signals are designed, installed ...