With the rear of its train still passing through Tunnel 1, BNSF 4258 leads its eastbound train through Tunnel 2 and toward the southern end of the Bealville siding and it battles the grade up Teha... (more)

Working upgrade out of Caliente and through Tunnel 1, BNSF 4258 and another clean leader on the point lug an eastbound Willow Springs-bound Z train toward Tunnel 2.