Location: I-70 and Airpark Rd, Arapahoe Cty Reassurance shield after the SH-36 interchange. Location: I-70 and Watkins Rd, Arapahoe Cty A mile later, we’ll approach an I-70 Business Spur. Location: I-70 and Watkins Rd, Arapahoe Cty Exit for the Business Spur up to Watkins. S to SH-79, N to E-470  W to E-470, E to SH-79  W … Continue reading U.S. Route 287, SH-36 to I-70 Bus Spur