Terminal Railroad Association of St. Louis
A TRRA locomotive | |
| Overview | |
|---|---|
| Headquarters | St. Louis |
| Reporting mark | TRRA |
| Locale | Illinois and Missouri |
| Dates of operation | 1889–present |
| Technical | |
| Track gauge | 4 ft 8+1⁄2 in (1,435 mm) standard gauge |
| Other | |
| Website | terminalrailroad |
The Terminal Railroad Association of St. Louis (reporting mark TRRA) is a Class III switching and terminal railroad that handles traffic in the St. Louis metropolitan area. It is co-owned by five of the six Class I railroads that reach the city.