Transportation.ppt

1、Transportation,Contents,Vehicle and traffic sign Traffic issue and solution Transportation mode,Vehicle and traffic sign,Ancient Vehicle,Wheelbarrow 獨輪車,Jinrikisha 黃包車,Sedan 轎子,Ancient Vehicle,Carriage 馬車,Modern vehicle,bus,taxi,car,train,plane,subway,light rail,ferry,Modern vehicle,Modern vehicle,c

2、ruise ship,bullet train,helicopter,aircraft carrier,Traffic sign,the sign of bans 禁止標(biāo)志 the sign of directions 指示標(biāo)志 the sign of cautions 警示標(biāo)志,the sign of bans,No passing,Forbid sounding horn,No parking,the sign of directions,Motor vehicle lane,Zebra crossing,Round about,the sign of cautions,Danger,Fa

3、lling rocks,Sharp left-turning,Traffic issue and solution,The traffic jams are terrible,In some sense, traffic jam is one of the most severe problems for a long time and retards the development of economy.,Causes,The great increase in the number of private cars. Slow and inefficient construction and

4、 improvement of the roads and streets. Insufficient management of the traffic system and the peoples lack of awareness of traffic regulations.,Measure,Lessen the bus ticket price Expand the subway Ride bike if its possible Transportation management,The way to avoid traffic accidents,Strict and effec

5、tive official monitoring and management Strict rule implementation and severe punishment Use seat-belt and other safety devices Do not run red Drive attentively and predictably,Transportation Mode,The type of transportation mode,Rail transportation Maritime transportation Air transportation Pipeline

6、s transportation,Rail transportation,Advantage high speed at average 80120 km/h a low level of energy consumption more efficient than road transportation less prone to interruption by poor weather economy safety and reliability enhance network continuity offer a high capacity Disadvantage need to in

7、vest the expenses of infrastructure and equipment need a lot of time to build,Maritime transportation,Advantage reduced unit distribution cost large capacity good adaptability to cargoes of different sizes, weight and shape effective mode of cargo over long distances Disadvantage less punctual slow

8、passage vulnerable to bad weather,Air transportation,Advantage high speed and quick transit better service quality low of risk of damage and pilferage expand trade and world markets Disadvantage limited capacity high transport cost vulnerable to bad weather expensive handling cost,Pipelines transportation,Advantage 24-hour availability no packing cost a l