Northern Colorado and Wyoming to Denver International Airport using E470:

E470 from I-25 southbound:

Take I-25 south to E470. Take E470 south to 96th Avenue (Exit 31) (Click here for a close up view of this intersection), turn right on 96th, and left on Tower at the light. If you exit past 96th Ave, you'll drive further and wind up paying $1.75 at the toll plaza just south of 96th Ave. Save a buck and a minute or two, and get off on 96th Ave. The 96th Avenue exit is 50 cents, and requires exact change. Your total cost on this route to USAirport Parking is $2.25 each way (exact change in coins required) if you use the 96th Ave. exit. It's $3.50 each way if you park at the Denver Airport terminal.