GMS 803 Lecture Notes - Lecture 3: Tank Car, Viscosity, Industrial Revolution

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Lecture # 3 - transportation modes part 1. Transport modes means by which passengers and freight achieve mobility. Three categories: land (road, air, pipelines, water (ship, air. Rail (intercity , hsr, transit, ttc, commuter (go), lrt, monorail (elevated single track pearson) Rail (unit train = blocktrain same commodity/destination, carload) Maritime (break-bulk, liquid bulk, dry bulk, roro (roll on roll off), container. Road transport: advantages: capital cost of vehicles = small/low barrier to entry (helps ensure trucking industry competitive, vehicles have high relative speed, constraint = speed limits, flexibility of route choice = provide door to door opportunity/service for passenger/freight. Some limitations: li(cid:373)ited pote(cid:374)tial to a(cid:272)hie(cid:448)e e(cid:272)o(cid:374)o(cid:373)ies of s(cid:272)ale (cid:894)due to size/(cid:449)eight, go(cid:448)"t (cid:272)o(cid:374)st(cid:396)ai(cid:374)ts, e(cid:272)o(cid:374)o(cid:373)i(cid:272) limits of engines, carrying capacity = limited. Jurisdictions for bus/truck to have specific weight/length restrictions for safety. Us max gross weight is 36 metric tons (80000 lbs) Europe/chine 40 tons (88000lbs) and 49 (100000 lbs: road congestion, physical infrastructure tracks/stations, engines locomotives, space rail cars.

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