The Research Triangle Regional Public Transportation Authority, known as GoTriangle (previously Triangle Transit and Triangle Transit Authority or TTA), provides regional bus service to the Research Triangle region of North Carolina in Wake, Durham, and Orange counties. The GoTriangle name was adopted in 2015 as part of the consolidated GoTransit branding scheme for the Triangle. In 2021, the system had a ridership of 1,362,700, or about 5,300 per weekday as of the second quarter of 2022.