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With development of the transportation facilities;, the environmental
pollution has advanced. Thus, where the facilities are to be provided or improved
in these years, they are often delayed for adjustment with the environmental
problems. The environmental pollution is thus posing Serious social problems
for the transportation.
The pollution by the automobile are generally the air pollution by the emissions
and noise pollution. For the air pollution, carbon monoxide and nitrogen monoxide
are continuing to decrease in 1974 as shown in Fig.
3-2-1. For nitrogen dioxide, a decreasing trend was noted for the first
time in 1974.
Marine pollution is also occurring by the oil and other wastes discharged
out of the vessels along with the liquid wastes from the coastal plants and
urban wastes flowing into the sea through rivers.
For aircraft, the noise at the time of take-off or landing of jet aircraft
is presenting a big problem for living environment in the vicinity of the airfield.
Particularly, in the vicinity of Osaka International Air Port, the noise problem
developed into a law suit now being contested at a higher court.
In the railway, the noise of the New Railway Trunk Line is a matter of concern
for which a legal action has been raised by the inhabitants along the line in
Nagoya.
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