Some people believe the government should spend money on building train and subway lines to reduce traffic congestion. Others think that building more and wider roads is the better way to reduce traffic congestion. Discuss both views and give your opinion.

The methods of (1) mitigating

traffic

congestion

have become a heated topic of controversy. Some people argue that the construction of larger

roads

is the answer to the problem.

However

, I contend that

such

a solution is (2) ineffective in the long term,

while

the option to construct railways and subways is a far better (3) measure. There is a common fallacy that (4) governmental spending on building larger

roads

could (5) sustainably address the problem of

traffic

congestion

. An increase in road size could reduce the (6)

traffic

intensity in the short term, but larger

roads

also

mean that citizens are encouraged to purchase more (7) individual vehicles.

This

leads to the fact that the

roads

, (8) albeit larger, would soon be filled with intense

traffic

again.

For instance

,

traffic

jams returned to Shanghai's main streets not long after they were expanded in the early 1990s. In brief, if

this

solution were (9) implemented,

traffic

jams would still (10) persist in the long run. Rail and subway systems,

however

, could ensure that (11)

traffic

congestion

is (12) properly addressed. Unlike cars and buses, trains are capable of transporting hundreds of people simultaneously and

thus

would (13) meet the transport demands of a vast number of passengers.

Moreover

, trains do not have to go through (14) intersections or

traffic

lights, and (15) dedicated lines ensure their travel is hardly (16) interrupted.

In other words

, trains are always on time regardless of the level of

traffic

.

This

standard of (17) punctuality would encourage many people to choose railways and subways as their primary (18) means of transport, and the number of individual vehicles would decrease

accordingly

.

As a result

,

traffic

congestion

could be (19) tackled successfully. In conclusion, building more and larger

roads

is

an

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a

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(20) unsustainable measure,

while

train and subway lines would be a much more effective solution

for

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to

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the problem of

traffic

congestion

.