Houston (Englewood to Eureka)
Eureka to Navasota
Navasota to Bryan
In 1998, after the UP-SP merger, UP instituted directional running between the Navasota/Bryan area and Midlothian Junction in Fort Worth, with trains running southward on the former H&TC line and northward on the former M-K-T line.
Bryan to Hearne
Hearne to Corsicana
Corsicana to Ennis (Garrett Junction)
Ennis (Garrett Junction) to Dallas (Ennis Junction)
Ennis Junction to DFW Junction
Ennis (Garrett Junction) to Fort Worth (Midlothian Junction)
The introduction of intensive Trinity Rail Express services on the BRI line between Dallas and Fort Worth led BNSF, after its creation, to seek and obtain trackage rights on the former SP Midlothian sub. between Waxahatchie and Fort Worth.
Midlothian Junction to Tower 55
Houston (Lyons to Belt Junction)
Houston (Settegast to Gulf Coast Junction)
Houston (Gulf Coast Junction to Belt Junction)
Belt Junction to Spring Junction
Spring Junction to Navasota
Navasota to Bryan
Some time after the UP/SP merger on September 11, 1996, the former IGN line between Navasota and Bryan was closed in favor of service on the former H&TC line between those locations.
In 1998, after the UP-SP merger, UP instituted directional running between the Navasota/Bryan area and Midlothian Junction in Fort Worth, with trains running southward on the former H&TC line and northward on the former M-K-T line.
Bryan to Valley Junction
Valley Junction to Waco
Taylor to Temple
Temple to Waco
Waco to Fort Worth (Midlothian Junction)
Some time after the M-K-T merger into Union Pacific, the former IGN line between Waco and Fort Worth was abandoned in favor of the former M-K-T line between those places.
Midlothian Junction to Tower 55
Houston (T&NO Junction to Lyons)
Houston (Lyons to Belt Junction)
Belt Junction to Dallas (Forest Avenue)
Forest Avenue to DFW Junction
The introduction of intensive Trinity Rail Express services on the BRI line between Dallas and Fort Worth led BNSF, after its creation, to seek and obtain trackage rights on the former SP Midlothian sub. between Waxahatchie and Fort Worth.
From September 9, 2005, BNSF introduced directional running, using the former BRI line (and the Midlothian sub. trackage rights) for southbound trains, and the former Gulf, Colorado & Santa Fe line through Temple and Cleburne for northbound trains (except for some return empty coal trains, which use the TRE line at night).