The Capital Metropolitan Transportation Authority, officially stylized as CapMetro, is a public transportation provider located in Austin, Texas. It operates bus, paratransit services and a hybrid rail system known as CapMetro Rail in Austin and several suburbs in Travis and Williamson counties. In 2023, the system had a ridership of 25,229,400, or about 81,500 per weekday as of the fourth quarter of 2023.

CapMetro Rail is a hybrid rail system that serves the Greater Austin area in Texas and is owned by CapMetro, Austin's primary public transportation provider. The Red Line is CapMetro's first and currently only rail line, and connects Downtown Austin with Austin's northwestern suburbs. The line operates on 32 miles (51 km) of existing freight tracks, and serves 10 stations. After a series of delays, CapMetro Rail was inaugurated in March 2010. CapMetro added Friday evening and Saturday afternoon and evening regularly scheduled service on March 23, 2012. In 2023, the line had a ridership of 485,400, or about 1,500 per weekday as of the fourth quarter of 2023.