 The highway continues eastward , serving residential developments , commercial outlets , and John Paul Stevens High School . It intersects with SH 151 , where development once again becomes patchy . The most notable development along this stretch of Potranco is a National Security Agency data center . State maintenance ends at an intersection with FM 3487 ( Culebra Road ) , slightly west of Interstate 410 ( I @-@ 410 ) . Potranco Road continues as a city street until Ingram Road . 
