Nowadays, cities that locate at the high level of people on that surround area mostly need support by transport system. The larger the city, the greater its complexity of the transport system structures. Additionally, important transport terminals such as ports, airports, and rail terminal are located within urban areas and they contributing to a specific type of problems. The most important transport problems are often related to urban areas and it is because of many reasons:
CONGESTION
The obvious problem that we can see is congestion. Whether it is the vehicle or the people that need the transport, both have the same problem which is congestion. The demands of the transport are increasing day by day, however the infrastructure are not been able to keep up with the growth of the demand. Even though the innovations are rapidly increased, but still it doesn't help the transportation structures that much. During peak hours, crowdedness creates discomfort for users because of surge in demand. Moreover, even the highway can be full of vehicle, this will lead to unnecessary accidents and because of this it will double the number of the vehicle on the road and it will make a terrible traffic congestion.
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| Traffic congestion |
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| During peak time |
ENVIRONMENTAL EFFECT
Pollution, including
noise, generated by circulation has become a serious impediment to the quality
of life and even the health of urban populations. Further, energy consumption
by urban transportation has dramatically increased and so the dependency on
petroleum.The environmental impact of transport is
significant because it is a major user of energy and burns most of the world's
petroleum. This creates air pollution, including nitrous oxides and is a
significant contributor to global warming through emission of carbon dioxide,
for which transport is the largest contributor to global warming through road
transportation.The health impact of transport emissions is also
of concern. There is a recent survey of the studies on the effect of traffic emissions
on pregnancy outcomes and it can highly affected the child in the womb and also it can cause cancer to the people like us.
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| Heavy smoke |
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| Emission of carbon dioxide |
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