Who says the box car is living on borrowed time? Union Pacific's Roseville, CA to North Platte, NE manifest is pictured grinding its way upgrade along the Evanston Sub at Echo. Many of these box cars are loaded with wine from the Napa Valley area of Northern California headed east for the holidays. All in all this MRVNP has 77 loads, 50 empties, weighs in at 10,449 tons and is 8,540 ft. in length, 3x1 DPU.