Business Loop I-70/U.S. 40 West - Colfax Avenue






Business Loop I-70/U.S. 40-287 split from Interstate 70 via a wye interchange in east Aurora.
08/11/16
The first confirming shields for Business Loop I-70/U.S. 40-287 posted along Colfax Avenue westbound. Colfax Avenue lines the boundary between Adams and Arapahoe Counties.
08/11/16
Colfax Avenue constitutes a four lane divided highway west by Aurora Sports Park and the Aurora East community.
08/11/16
Dunkirk Street south from the Aurora Cascades subdivision and Dunkirk Court north from Aurora Sports Park come together at the first traffic light along Business Loop I-70/U.S. 40-287 west.
08/11/16
Tower Road stems north from Colfax Avenue to industrial areas populated by distribution centers and warehouses to Interstate 70 at Exit 286. A CDOT maintenance facility lines the south side of Business Loop I-70 here.
08/11/16
Business Loop I-70/U.S. 40-287 pass by the Friendly Village of Aurora mobile home park and cross East Branch Highline Canal at a second trailblazer for Interstate 70.
08/11/16
Airport Boulevard constitutes an arterial from Alameda Parkway near the Tollgate Village development to Peña Boulevard, the freeway spur from I-70 to Denver International Airport (DEN).
08/11/16
Commercial strip malls and several small mobile home parks line Colfax Avenue west from Airport Boulevard to Chambers Road.
08/11/16
Laredo Street links Colfax Avenue with the Norfolk Glen subdivision in Adams County and the Apache Mesa and La Vista neighborhoods south in Arapahoe County.
08/11/16
Another non standard trailblazer sign for I-70 precedes the Business Loop I-70 intersection with Chambers Road.
08/11/16
Sable Boulevard intersects Business Loop I-70/U.S. 40-287 south from an RV park and north from Chambers Heights. The signal serves an elementary and middle school.
08/11/16
Interstate 225 meets Colfax Avenue next as it parallels Toll Gate Creek and Fitzsimons Parkway by the University of Colorado Anschutz Medical Campus.
08/11/16
Traffic lights operate at a service road just ahead of the northbound on-ramp for I-225. The six lane freeway joins Stapleton in east Denver with Denver Tech Center to the south.
08/11/16
Interstate 225 concludes two miles to the north at I-70. The commuter freeway runs 12.43 miles overall south to I-25.
04/23/17
The north end of I-225 ties into I-70 just west of Pena Boulevard to DEN Airport and three miles east of the split with I-270 west to Commerce City.
08/11/16
South from Colfax Avenue, Interstate 225 runs between the Hoffman Heights/Jewell Heights and Chambers Heights neighborhoods to City Center North.
04/23/17


Confirming markers for Business Loop I-70/U.S. 40 (W Colfax Avenue) posted west of U.S. 6 (W 6th Avenue) at Golden.
08/11/16
Photo Credits:
- ABRoads: 08/11/16, 04/23/17
- Andy Field: 11/10/03
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Page Updated Thursday January 27, 2022.