Port Terminal Railroad Association
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| Overview | |
|---|---|
| Headquarters | Houston, Texas |
| Reporting mark | PTRA |
| Locale | Port of Houston |
| Dates of operation | 1924– |
| Technical | |
| Track gauge | 4 ft 8+1⁄2 in (1,435 mm) standard gauge |
| Other | |
| Website | https://www.ptra.com/ |

The Port Terminal Railroad Association is an American terminal railroad that operates 185 miles (298 km) 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]