XCCX	Xavier Chemical Co.	added 10/99; 7/2000
XOMX	Exxon Mobil Corp.	added 7/2000; 7/2000
XPWX	Expressway	Jul-00
XTRX	XTRA, Inc.	added 1/80; 1/80; eliminated 1/90
	Chrysler Rail Transportation Corp.	added 1/90; eliminated 4/93
	U.S. Rail Services, Inc.	added 4/93; 1/94; eliminated 4/94
	USL Capital Rail Services	added 4/94; eliminated 10/96
	First Union Rail	added 10/96; 7/2000
XTTX	Trailer Train Co.	added 4/66
	Trailer Train Co. (flat cars, equipped with 4 hitches and bridge plates for the transportation of two trailers, 1 45' and 1 40' or 3 28' trailers)	1/75-1/80
	Trailer Train Co.	eliminated 1/92
	TTX Co.	added 1/92
	Trailer Train Co. (FC flat cars equipped with hitches and bridge plates for the transportation of trailers. These cars have 4 hitches for handling 2 40-foot or 3 28-foot trailers)	10/66-10/68
	Trailer Train Co.	Apr-70
	TTX Co.	Jan-94