Special routes of U.S. Route 85
Highway system
United States Numbered Highway System List Special Divided

There are a number of special routes of U.S. Route 85. These special routes connect U.S. Route 85 to downtown areas, bypass city centers or provide alternate routes around an area.

U.S. Highway 85 Business
Location	Fort Lupton, Colorado

U.S. Route 85 Business in Fort Lupton, Colorado is a business spur that follows SH 52 east from US 85 to Denver Avenue, then turns north onto Denver Ave. and ends at Weld County Road 16 north of town.

Major intersections

The entire route is in Weld County.

Location	mi[1][2]	km	Destinations	Notes
Fort Lupton	0.000	0.000	SH 52 west / US 85	Interchange with US 85; western terminus; west end of SH 52 concurrency; highway continues as SH 52 west
	0.525	0.845	SH 52 east (First Street east)	East end of SH 52 concurrency
​	2.040	3.283	CR 16	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus

U.S. Highway 85 Business
Location	Platteville, Colorado

U.S. Route 85 Business in Platteville, Colorado is a business spur that goes from the intersection with Weld County Road 28 south of town to US 85 in north Platteville.

Major intersections

The entire route is in Weld County.

Location	mi[3]	km	Destinations	Notes
​	0.000	0.000	CR 28	Southern terminus; road continues unpaved as CR 25.5
Platteville	1.238	1.992	SH 66 (Justin Avenue) to US 85
	2.69	4.33	US 85 south	Northern terminus; no access to/from US 85 north
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Incomplete access

U.S. Highway 85 Business
Location	Greeley, Colorado

U.S. Route 85 Business in Greeley, Colorado is a business route that begins at the Garden City Connector in Evans, Colorado, and runs north into Greeley. At 23rd Street, it joins 8th Avenue and heads north until it terminates at US 85 at the northeast edge of the city.

Major intersections

The entire route is in Weld County.

Location	mi[4][5][6]	km	Destinations	Notes
Evans	0.000	0.000	US 85 south	Continuation beyond southern terminus
	0.212– 0.622	0.341– 1.001	US 34 / US 85 – Loveland, Ft. Morgan	Interchange; northbound exit and entrance to/from US 34 west, southbound exit and northbound entrance to/from US 34 east/US 85
Greeley	1.629	2.622	US 34 Bus. east (18th Street)	South end of US 34 Bus. concurrency
	2.456	3.953	10th Street (US 34 Bus. west)	North end of US 34 Bus. concurrency
	4.487– 4.670	7.221– 7.516	US 85 north	Continuation beyond northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus       Incomplete access

U.S. Highway 85 Truck
Location	Lead–Deadwood, South Dakota

U.S. Route 85 Truck (US 85 Truck) is a truck route that travels from the downtowns of Lead and Deadwood, South Dakota, and is entirely concurrent with US 14 Alternate (US 14 Alt.).

U.S. Highway 85 Business
Location	Watford City, North Dakota
Length	6.233 mi (10.031 km)

U.S. Route 85 Business in Watford City, North Dakota is a route that goes into the downtown area of Watford City.^[7]

The entire route is in Watford City, McKenzie County.

mi[7]	km	Destinations	Notes
0.000	0.000	US 85 / ND 200 / ND 23 ends	Southern terminus, western terminus of ND 23
0.555	0.893	ND 23 east / ND 23 Bus. begins	Northern end of ND 23 concurrency, southern end of ND 23 Bus. concurrency
2.486	4.001	ND 23A east	Western terminus of ND 23A
2.707	4.356	ND 23 Bus. east / Lewis and Clark Trail	Northern end of ND 23 Bus. concurrency
6.233	10.031	US 85 / ND 200 / Lewis and Clark Trail	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus

U.S. Highway 85 Business
Location	Alexander, North Dakota
Length	2.921 mi (4.701 km)

U.S. Route 85 Business in Alexander, North Dakota is a route that goes into the downtown area of Alexander.^[7]

Major intersections

The entire route is in Alexander, McKenzie County.

mi[7]	km	Destinations	Notes
0.000	0.000	US 85 / ND 200 – Watford City, Williston	Southern terminus
2.921	4.701	US 85 / ND 200 – Watford City, Williston	Northern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

U.S. Highway 85B
Location	Williston, North Dakota

Business U.S. Highway 85
Location	El Paso, Texas

U.S. Highway 85 Alternate
Location	Anthony–Las Cruces, New Mexico

U.S. Highway 85 Bypass
Location	Santa Fe, New Mexico

U.S. Highway 85 Alternate
Location	Barelas–Alameda, New Mexico

U.S. Highway 85 Bypass
Location	Fountain–Colorado Springs, Colorado

U.S. Highway 85 Business
Location	Williston, North Dakota

U.S. Route 85 Business (US 85) is a business route of US 85 in Williston, North Dakota. It went into the downtown area of Williston. This route is now US 2 Bus.