It serves the cities of Santa Barbara, Carpinteria, and Goleta as well as the unincorporated areas of Montecito, Summerland, and Isla Vista.

The streetcars made their last run on July 1, 1929; about a month later, the Santa Barbara Transit Corporation company started providing local bus service (H.A.

Spreitz, its owner, already operated another bus company that served the suburban areas of Goleta and Carpinteria.

[3][4] In the late 1950s and 60s, Santa Barbara Transit was losing revenue, and repeatedly threatened to go out of business.

In August 2012 MTD implemented peak-hour commuter service (Coastal Express Limited) between Ventura and the Santa Barbara/Goleta area.