Port Terminal Railroad Association

{{one source|date=August 2021}}

{{Infobox rail | gauge={{Track gauge|ussg|allk=on}}

|railroad_name=Port Terminal Railroad Association

|logo_filename=

|logo_size=

|marks=PTRA

|locale=Port of Houston

|start_year=1924

|hq_city=Houston, Texas

|website=https://www.ptra.com/}}

File:PTRA train crossing HB&T swing bridge over Buffalo Bayou in 2016.jpgs over Buffalo Bayou in Houston]]

The Port Terminal Railroad Association is an American terminal railroad that operates {{convert|185|mi}} of track at the Port of Houston in Houston, Texas.George C. Werner, "PORT TERMINAL RAILROAD ASSOCIATION," Handbook of Texas Online (http://www.tshaonline.org/handbook/online/articles/eqpnf), accessed March 01, 2011. Published by the Texas State Historical Association. 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.{{Cite web|title=Port Terminal Railroad Association - Members of the Association|url=https://www.ptra.com/index.php/about-us/members-of-the-association.html|access-date=2021-12-15|website=www.ptra.com}}