In addition to the city of San Antonio, VIA serves many other Bexar County municipalities, including Alamo Heights, Balcones Heights, Castle Hills, Converse, Kirby, Leon Valley, Olmos Park, Shavano Park, and Terrell Hills.

While VIA does not directly serve some Bexar County municipalities such as Hill Country Village, Hollywood Park, Live Oak, Selma, Schertz, Universal City and Windcrest, many of them are within driving proximity of outlying park-and-ride facilities.

VIA was created in 1977 when the citizens of Bexar County voted in favor of a one-half cent sales tax to fund the service.

Subsequently, VIA purchased transit assets from the City of San Antonio and began operations in March 1978, taking its name from the Latin word for "road".

[4] Designated as Route 100, it connects the South Texas Medical Center to Downtown San Antonio.

[9] On April 27, 2020, VIA implemented further temporary service changes, including suspending additional routes and further decreasing frequency.

[7] VIA operates over 500 wheelchair accessible buses on 75 bus routes, serving the entire city of San Antonio and most of Bexar County.

Fares for most fixed routes during 2006 were 80¢, and a monthly bus pass was $20, much lower than most other transit systems in the country.

High school, college, and trade students are able to purchase a semester pass for $38 with proof of enrollment.

Park & Ride Service is usually offered from the Randolph, and Crossroads Park/Rides as well as the Frank Madla Transit Center.

The appointed trustees then elect a chairperson as the Board's eleventh member.The current President and CEO is Jon Gary Herrera.

Circulator routes are numbered from 600–699, providing local service within residential areas and allowing transfers to other lines at transit centers.