Interstate 180 (Wyoming)

non-freeway Auxiliary Interstate Highway in Cheyenne, Wyoming, United States

Interstate 180 (I-180) is a one-mile (2 km)-long connector in the U.S. state of Wyoming between Interstate 80 and downtown Cheyenne, Wyoming.

I-180 marker

I-180

Route information
Auxiliary route of I-80
Length1.09 mi (1.75 km)
Existed1984–present
Major junctions
South end
I-80 / I-25 Bus. / US 85 / US 87 Bus. in Cheyenne
North end
I-80 Bus. / US 30 / I-25 Bus. / US 85 / US 87 Bus. in Cheyenne[1]
Location
CountryUnited States
StateWyoming
CountiesLaramie
Highway system
  • Wyoming State Highway System
WYO 175US 185

It is unusual for being one of the few Interstate highways that does not follow Interstate highway standards. There is also no freeway anywhere along its route. It is a divided highway with a 40 mph (64 km/h) speed limit due to the frequency of signals.

References change

  1. It isn't clear whether Lincolnway, the road at the northern end of I-180, is US 30 or BUS US 30. [1] There are Business US 30 shields where W Lincolnway splits off from I-80 (Photos: [2], [3] from [4][permanent dead link]) and on E Lincolnway (Photos: [5], [6] from [7]) but there are East US 30/West US 30 shields at other places, including the I-180 junction. [8]