List of highways in San Antonio

This is a list of highways in San Antonio in the U.S. state of Texas, consisting of Interstates, U.S. highways, state highways, state highway loops and spurs maintained by the Texas Department of Transportation (TxDOT) in the San Antonio metropolitan area, consisting of Bexar County and its seven surrounding counties.

They range from multi-lane freeways that provide high-volume corridors to 2-lane roads.

San Antonio's freeway system is built in resemblance of a hub and spoke system, with Downtown San Antonio at the center.

I-10, I-35, and I-37 combine to form a nine-mile Central Loop around Downtown.

A large portion of trade between Mexico and the United States passes through the San Antonio area's interstate highway system.