Option 1: (E470 Tollway) Take I-70 east to the E-470 Tollway (exit 289) and turn north (right). Continue north on the E470 tollway for about 8 miles. Exit E-470 on Pena Boulevard West (exit 28B). DO NOT exit at 28A; this is for DIA’s city-owned parking. Exit Pena Boulevard West at Tower Road (exit 5), and turn right at the end of the off-ramp. We are just a few hundred feet ahead on the left (west) side of Tower Road. There is an E-470 toll each way, but it is far shorter than continuing four miles further west on I-70, then having to backtrack east on Pena to the airport, or using the slower Tower Road all the way from I-70.
To return home from USAirport Parking after your trip, turn right (south) on Tower Road, then turn left (east) on Pena Boulevard, as if you were returning to the terminal. Stay as far to the right as possible, exiting Pena before you merge with traffic to the E-470 off-ramp. Stay to the right for E-470 Southbound. Turn left off E-470 at the first stoplight to I-70 Eastbound.
Option 2: (Toll-Free) Take I-70 east to exit 285, Airport Blvd. Turn north (right) on Airport Boulevard, which will quickly merge with Pena Boulevard. Continue north for about 4 miles on Pena, then exit on Tower Road, and turn left (north).
To return home from USAirport Parking after your trip, turn right (south) on Tower Road and continue south to 56th Avenue. Turn right on 56th Ave., then left on Pena. Exit Pena at 40th Ave, and continue straight ahead (south) through the intersection at the bottom of the off-ramp for Airport Road, which will ultimately become Buckley. If you do not exit Pena at 40th, you will wind up on I-70 Westbound!
Option 3: (Toll-Free) Exit I-70 at Tower Road (exit 286). Turn right, and continue north on Tower Road for 5.8 miles to USAirport Parking.
To return home after you travel, turn right on Tower Road when exiting USAirport Parking, and continue south for 5.8 miles to I-70. Turn left onto I-70.