Bus. I-70 E/US 40 E/US 287 S/W. Colfax (Denver, Colorado)

Business Route Interstate 70 runs through downtown Denver. Its western end is at I-70/CO 26 in Golden (exit 259) and its eastern end is at I-70 again (exit 289) near Aurora. US Highway 40 runs from near Park City, UT to Atlantic City, NJ. It starts at Silver Creek Junction, UT (Interstate 80) and ends in Atlantic City at the intersection of Albany Ave. and Atlantic Ave. via Albany. From Utah, US 40 goes east through Granby, CO and Denver. It continues through St. Louis, MO and across Maryland to New Jersey. US Highway 287 travels almost 1900 miles from Choteau, MT (US 89) to Port Arthur, TX (TX 87/16th St.). From its intersection with US 89 in Choteau, it goes south to the west entrance of Yellowstone and restarts at the south entrance. It continues across Wyoming to Denver then to north of Amarillo, TX where it finally meets its parent route - US 87. From Amarillo, it splits off southeast through Fort Worth and finally ending at TX State Highway 87 in Port Arthur. This road is known locally as West Colfax Avenue.