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Responsibility for general improvements to roads mostly fell to the counties of Nebraska. In 1926, the Nebraska Bureau of Roads and Bridges began erecting route markers along highways, the first of which contained the famous covered wagon emblem, developed by State Engineer Robert Cochran, that is still in use today. [6]
Every significant section of roadway maintained by the state is assigned a number, officially State Highway No. X [2] but also commonly referred to as Nebraska Highway X, as well as N-X. State highways are signed with a white trapezoidal field on a black background with the state, route number and oxen pulled covered wagon displayed in black ...
Highways are generally marked in the format of S-x-Y or L-x-Y, where S or L indicates whether it is a spur or a link, x is the county the highway is in, with ranking in alphabetical order (1 is Adams County, while 93 is York County), and Y is the letter which "numbers" the highway. Recreation Roads are typically unsigned.
After the system was created in 1956, the state department of roads began construction on its Interstates immediately and upon completion of I-80 in 1964 was the first state to complete its mainline Interstate. [3] With the completion of Interstate 129 in 1977, Nebraska completed its contribution to the Interstate Highway System. [4]
U.S. Highway 20 (US-20) is a part of the United States Numbered Highway System that runs for 3,365 miles (5,415 km) from Newport, Oregon, to Boston, Massachusetts.Within the state of Nebraska, it is a state highway that begins on the Wyoming–Nebraska state line west of Harrison near the Niobrara River and runs to the Nebraska–Iowa state line in South Sioux City.
Under the 1926 highway numbering plan, two-digit U.S. Highways are numbered in a grid; east–west highways have even numbers while north–south routes have odd numbers. The lowest numbers are in the east and north. The primary east–west highways in Nebraska are numbered US-6, US-20, US-26, US-30, and US-34.
U.S. Highway 30 (US 30) is part of the United States Numbered Highway System that runs for 3,112 miles (5,008 km) from Astoria, Oregon, to Atlantic City, New Jersey. Within the state of Nebraska , it is a state highway that travels 451.74 miles (727.01 km) west to east across the state from the Wyoming state line west of Bushnell to the ...
The official state highway maps from 1980 [28] and 1981–1982 [29] and official state traffic flow maps from 1977 [30] and 1979 [31] also show the Interstate 580 designation along the North Freeway, but it was not present in highway maps after 1982 or traffic flow maps after 1979. Originally, the route was planned to extend north and terminate ...