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In downtown Denver, free shuttle-bus service operates about every 10 minutes from 5 am weekdays (5:30 am Saturday; 6:30 am Sunday and holidays) until 1:35 am, running the length of the 16th Street Mall (which bisects downtown) and stopping at one-block intervals. In addition, the Free MetroRide offers weekday rush-hour service between Union Station and Civic Center Station, making limited stops along 18th and 19th streets. If you plan to spend much time outside downtown, a car is advised, although Denver has one of the best city bus systems in the country.

The region's public bus service, RTD, is comprehensive, with routes throughout the metropolitan area. The service also links Denver to outlying towns such as Boulder, Longmont, and Nederland. You can buy bus tokens at grocery stores or pay with exact change on the bus. Fares vary according to time and zone. Within the city limits, buses cost $2.25.

Bus Contacts

RTD. 303/299–6000; 800/366–7433; www.rtd-denver.com.