1 | TTQX | Trailer Train Co. | added 4/1991; eliminated 1/1992 | | NAKINA |
2 | TTQX | TTX Co. | added 1/1992; 1/1994-7/2005 | | NAKINA |
3 | TTQX | Trailer Train Co./TTX Co. (flat cars equipped with excessive height fully enclosed tri-level auto racks furnished by participant railroads — requires special clearance authority for movement either loaded or empty) | added 4/1991; 10/1991-1/1994 | | NAKINA |
4 | TTQX | TTX Co. (flat cars equipped with excessive height fully enclosed tri-level auto racks furnished by participant railroads — requires special clearance authority for movement either loaded or empty, equipped with end of car cush.) | 7/2000 | | NAKINA |
5 | TTQX | Trailer Train Co. | added 4/91; eliminated 1/92 | | NRHS |
6 | TTQX | TTX Co. | added 1/92 | | NRHS |
7 | TTQX | TTX Co. (flat cars equipped with excessive height fully enclosed tri-level auto racks furnished by participant railroads -- requires special clearance authority for movement either loaded or empty) | Jan-94 | | NRHS |
8 | TTQX | TTX Co. (flat cars equipped with excessive height fully enclosed tri-level auto racks furnished by participant railroads -- requires special clearance authority for movement either loaded or empty, equipped with end of car cush.) | Jul-00 | | NRHS |
9 | TTQX | TTX COMPANY {TRAILER TRAIN COMPANY} | | | PWRC |
10 | TTQX | Trailer Train (TTX Corporation) | | | RSRV |
11 | TTQX | TTX COMPANY | | | SCAC4 |