| Railroad Name: | Port Terminal Railroad Association |
| Marks: | PTRA |
| Locale: | Port of Houston |
| Start Year: | 1924 |
| Hq City: | Houston, Texas |
| Website: | https://www.ptra.com/ |
The Port Terminal Railroad Association is an American terminal railroad that operates of track at the Port of Houston in Houston, Texas.[1] It is an independent association comprising Port of Houston Authority, the Houston Belt & Terminal Railway, Union Pacific Railroad, BNSF Railway and Kansas City Southern Railway.[2]