Kings Highway
​Camino Real 
​Old San Antonio Road

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​Marker Text: Old San Antonio Road. Marked by the Daughters of the American Revolution and the State of Texas A.D. 1918

Marker No. 15415

Erected 1918

Kings Highway Camino Real Marker

Kings Highway Camino Real Marker No. 73

Geographic: ​29.902699, -97.867914

Location: This marker is on Highway 21 at the San Marcos Municipal Airport. It is 2.9 miles northeast of Highway 80 and 2.3 miles southwest of FM 1966. ​