Indawo yokwenza izinwele v San Marcos ube nesilinganiso esimaphakathi — 4.2 (ngokwezilinganiso zomsebenzisi Mapich).
Sithole indawo yokwenza izinwele San Marcos emigwaqweni elandelayo: N C M Allen Pkwy, E Hopkins St, Aquarena Springs Dr, W Hopkins St, University Dr, TX-80, N LBJ Dr, Barnes Dr, McKinley Pl Dr
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 9 Izinkampani, eyethulwe kuleli khasi.