UP BI-70-17:
UP 451400-451430 (ex RI 16300-16599) UP 492401-492699
These 50'-1", 70 ton, insulated box cars were built by GATC in 3/1967 as RI 16300-16599. They featured 10'-6" plug doors, 20" travel cushioned underframes and 4535 ft3 capacity.
They were