Travel Information
Transportation
The main airport serving Boulder is the Denver International Airport (DIA), which is 70 km away. Buses and shuttles frequently run between DIA and Boulder. Alternatively, you may take a taxi ($75) or rent a car at the airport. If you drive yourself, the fastest way - especially during rush hour - is via the E-470 Tollway ($6.50 in cash needed). Driving directions E-470 , Driving directions via I-70, US-36 