Live Chat I-37 Community Nearby Traffic Port Isabel Traffic 2024-06-08 Roadnow Click for Real Time Traffic Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Port Isabel South Padre Island, TX 9.01 Los Fresnos, TX 19.01 Harlingen, TX 23.07 Interstate highway exits close to Port Isabel Exit 1d, i37 191.85 Exit 1a, i37 191.93 Exit 1b, i37 191.93 Interstate highways close to Port Isabel i37 map 191.85 i35 map 274.45 i410tx map 379.21 State roads close to Port Isabel TX 100 map 0.11 TX 48 map 2.33 TX FM 510 map 3.87