https://www.txdot.gov/es/projects/projects-studies/san-antonio/loop1604-fm1957.html
Loop 1604 desde FM 1957 (Potranco Road) hasta FM 471 (Culebra Road)
loop 1604fm 1957potranco roaddesdehasta
https://www.txdot.gov/projects/projects-studies/san-antonio/fm1957-potranco.html
FM 1957 (Potranco Road)
fm 1957road