Last Driven January 2021 Location: I-70 and Colfax Ave, Arapahoe Cty Reassurance shield between the off-ramp and on-ramp where 287 joins I-70. Location: I-70 and Colfax Ave, Arapahoe Cty Immediately thereafter, we’ll approach E-470. Location: I-70 and Colfax Ave, Arapahoe Cty Reassurance shield after Colfax Avenue. (Historic Photo: February 2015) Location: I-70 and E-470, Arapahoe … Continue reading U.S. Route 287, I-70/I-70 Bus/US-36 to E-470