Regional Transportation District

Uncommon card · No. 190127

The Regional Transportation District (RTD) is the public transit agency for Denver and its metropolitan area & other areas of Colorado in the U.S. state of Colorado. It operates a large bus and rail system that comprises 10 rail lines—both light rail and commuter rail—and 121 bus routes. RTD's rail system consists of 6 light rail lines and an additional 4 commuter rail lines with 84 stations and 114.2 miles (183.8 km) of track. The bus network consists of 84 local routes, 13 regional routes, 11 limited routes, and 6 express routes to Denver International Airport. In 2025, the entire system had a ridership of 64,192,300, or about 261,300 per weekday as of the second quarter of 2026, making RTD the largest transit agency in the Mountain states by both ridership and the number of routes. RTD serves a 2,349-square-mile (6,080 km2) area with a total of 3.09 million people in 40 municipalities and 8 counties. The agency was organized in 1969 and is governed by a 15-member board of directors that...

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