Sun Link is expecting its four millionth passenger on Thursday and a special celebration will be held.
The four millionth passenger will receive special gifts and recognition when they come on board the streetcar.
A live performance on-board the streetcar by 'The Endless Pursuit' will happen at 5:00 p.m. Riders can board at the Main Gate Square - University Boulevard stop on University Boulevard and Tyndall Avenue to watch the band play.
Download the Tucson Streetcar Tracker app to locate the streetcar hosting the performance.
