The Regional Transportation District (RTD) offers mass transit services via bus and light rail in the Denver area. The agency services almost 3 million people across six counties, covering approximately 2,348 square miles. The agency's bus system operates a fleet of approximately 1,000 buses but leases about 425 of them to private operators. It provides almost 75 park-n-ride facilities to riders. RTD's light rail system includes almost 35 stations spread over some 35 miles of track. The agency's service territory encompasses all of Boulder, Broomfield, Denver and Jefferson counties, along with parts of Adams, Arapahoe, Weld, and Douglas counties. The agency was established by the Colorado legislature in 1969.