Business routes of Interstate 70 in Colorado

There are a total of 12 business routes of Interstate 70 in Colorado. I-70 spans Colorado in an east-west fashion, holding many business loops and spurs along the way varying from lengths of 0.22 mi (0.35 km) miles to 27.47 mi (44.21 km) miles, with a total of 55.51 miles.^[1]

Grand Junction Metropolitan Area

Interstate 70 Business Loop (I-70B) is a business loop that runs through Grand Junction and Clifton. This route is mostly an expressway, with the exception of Downtown Grand Junction where the route is divided into two one-way streets (Pitkin and Ute Avenues) and then turns north onto a four lane surface street (1st Street). The route is partially signed with U.S. Highway 6 and U.S. Highway 50 (separate and together). the route is one of the most important routes in the Grand Junction Area.

Major intersections

The entire route is in Mesa County.

Location	mi	km	Destinations	Notes
Grand Junction	0.00	0.00	I-70 / US 6 west / US 50 west	Western terminus; road continues west as US 6 / US 50
	4.36	7.02	US 6 east (North Avenue)	Eastern terminus of concurrency with US 6
	4.95	7.97	SH 340 west (Broadway Road)	Eastern terminus of SH 340
	5.66	9.11	US 50 east (5th Street)	Eastern terminus of concurrency with US 50
	9.30	14.97	US 6 west (North Avenue)	Western terminus of concurrency withUS 6
Clifton	11.71	18.85	SH 141 south (32nd Road)	Northern terminus of SH 141
	12.17	19.59	US 6 east (F Road)	Eastern terminus of concurrency with US 6
	13.27	21.36	I-70	Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus

Silt

Interstate 70 Business serves Silt and runs from Interstate 70 to U.S. Highway 6.^[1] The road begins with a loop on the south side of I-70. The intersection between the Silt Business Loop and I-70 forms a diamond interchange, and there is a one-way loop at the business spur's terminus. The road then moves northward, intersecting Lions Park Circle before crossing the Colorado River, which runs roughly along I-70. On the other side of a meander, the road abruptly turns westward and meets its terminus at U.S. Highway 24, which is at that point concurrent with U.S. Highway 6. The road continues as Railroad Avenue through the city of Silt.^[2][3]

Eagle

Interstate 70 Business serves Eagle and runs from U.S. Highway 6 to Interstate 70.^[1] The road begins with a circle at the intersection of I-70 Bus and U.S. Highway 6. On the other side of the circle, the road continues as Church Street. Along I-70 Bus, the road is known as Eby Creek Road. The route then heads northward over the Colorado River in the northern city limits of Eagle, intersecting Chambers Avenue and Loren Road before meeting its northern terminus with Interstate 70. The intersection forms a diamond interchange, and Eby Creek Road continues toward Dell.^[4]

Edwards

Interstate 70 Business is a spur serving Edwards that runs from Interstate 70 to U.S. Highway 6.^[1]

Idaho Springs

I-70 Business is a loop serving Idaho Springs and meets Interstate 70 at exits 239 and 241, intersecting State Highway 103 in the middle.^[1]

Denver-Aurora Metropolitan Area

Business Loop Interstate 70 is a 23.7-mile (38.1 km)-long route between West Pleasant View and Aurora, traveling through Downtown Denver. Known locally as Colfax Avenue, the route connects with I-70 on either end.^[1]

Major intersections

County	Location	mi[5]	km	Destinations	Notes
Jefferson	West Pleasant View	0.00	0.00	I-70 / US 40 west (Colfax Avenue)	Western terminus; US 40 continues west; exit 262 on I-70
	Lakewood	3.40	5.47	SH 391 (Kipling Street)
		4.90	7.89	SH 121 (Wadsworth Boulevard)
		6.40	10.30	SH 95 (Sheridan Boulevard)
City and County of Denver		7.90	12.71	US 287 (Federal Boulevard) / SH 88 south	Interchange; eastern terminus of concurrency with US 287; northern terminus of SH 88
		8.50	13.68	I-25 / US 6 / US 85 / US 87 / Auraria Parkway – Fort Collins, Colorado Springs	Exit 210A on I-25; no signage for US routes
		12.40	19.96	SH 2 (Colorado Boulevard)
Arapahoe	Aurora	18.60	29.93	I-225	Exit 10 on I-225
		23.70	38.14	I-70 / US 36 / US 40 east / US 287 north	Eastern terminus; no signage for US routes; No access from I-70 Bus. east to I-70 west
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus

Watkins

I-70 Business spur serves Watkins and runs from Interstate 70 to US 36.^[1]

Strasburg

I-70 Business spur serves Strasburg and runs from Interstate 70 to US 36.^[1]

Deer Trail

I-70 Business spur serves Deer Trail and runs from U.S. Highway 40 to Interstate 70.^[1]

Agate

I-70 Business spur serves Agate and runs from U.S. Highway 40 to Interstate 70.^[1]

Limon

I-70 Business loop serves Limon, Colorado and has both its termini at a concurrency of Interstate 70, U.S. Highway 24, U.S. Highway 40, and U.S. Highway 287.^[1]

Vona

I-70 Business serves Vona and runs from U.S. Highway 24 to Interstate 70.^[1]

Burlington

I-70 Business loop serves Burlington and has both its termini at Interstate 70.^[1]

References

Route map: Bing / Google