: One urgent measure that seems obvious is to totally ban private cars in the old quarter and other
designated areas of the city. 
So many taxis drive around looking for a
passenger, while at the same time large, private cars, often with only
one or two people inside, take up precious road space, and stop traffic
flow.If private cars were banned from the crowded city area, more
people would use the taxis and there should be a timetable to
phase out petrol motorbikes and replace them with
nonpolluting electric bikes, as quickly as possible. This would improve
the air quality which is already seriously unhealthy. The electric
cars touring the old quarter and Hoan Kiem Lake are an excellent
example of what is possible. These could easily be extended to other
streets, and become a cheap and convenient method of transport for both
locals and tourists to reduce the use of polluting motorbikes. All these
measures, and more, need the co-operation of the government and
citizens to work altogether to make Hanoi a truly civilized and clean
city.
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