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In order to relieve traffic congestion, the city of Gastner built a ne

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In order to relieve traffic congestion, the city of Gastner built a ne  [#permalink]

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New post 18 Sep 2018, 00:22
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A
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E

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  75% (hard)

Question Stats:

50% (01:27) correct 50% (01:36) wrong based on 199 sessions

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Project CR Butler:Day 55:Critical Reasoning (CR1)


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In order to relieve traffic congestion, the city of Gastner built a new highway linking several of the city's suburbs to the downtown area. However, the average commute time for workers in downtown Gastner increased after the new highway opened.

Which one of the following, if true, most helps to explain the increase in average commute time?

(A) Most people who work in the downtown area of Gastner commute from one of the city's suburbs.

(B) The location of the new highway is most convenient for people who commute to and from Gastner's largest suburbs.

(C) Shortly after the new highway was opened, several suburban roads connecting to the new highway were upgraded with new stoplights.

(D) At the same time the new highway was being built, road repair work was being done on important streets leading to downtown Gastner.

(E) In Gastner's downtown area, traffic on the roads near the new highway became more congested after the new highway was opened.
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Re: In order to relieve traffic congestion, the city of Gastner built a ne  [#permalink]

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New post 18 Sep 2018, 06:36
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AshutoshB wrote:
In order to relieve traffic congestion, the city of Gastner built a new highway linking several of the city's suburbs to the downtown area. However, the average commute time for workers in downtown Gastner increased after the new highway opened.

Which one of the following, if true, most helps to explain the increase in average commute time?

[A] Most people who work in the downtown area of Gastner commute from one of the city's suburbs.

[b] The location of the new highway is most convenient for people who commute to and from Gastner's largest suburbs.

[C] Shortly after the new highway was opened, several suburban roads connecting to the new highway were upgraded with new stoplights.

[D] At the same time the new highway was being built, road repair work was being done on important streets leading to downtown Gastner.

[E] In Gastner's downtown area, traffic on the roads near the new highway became more congested after the new highway was opened.


+1 for E.

The question asks us to resolve the paradox and the correct answer choice would correctly explain why the increase in commute time was observed after the opening of the new highway.

A. Incorrect, as it doesn't provide an explanation to why the new highway was not able to solve the traffic problem.
B. Incorrect, same as A.
C. Incorrect, as the stoplights were upgraded and not increased in number.
D. Tempting but incorrect, we need to find an explanation for increase in traffic after the opening of the new highway and not during its construction.
E. Correct! Since the opening of the new highway led to more congestion therefore the average commute time could be increased.
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Re: In order to relieve traffic congestion, the city of Gastner built a ne  [#permalink]

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New post 30 Dec 2018, 04:10
The argument says that in order to relieve traffic congestion, the city of Gastner built a new highway linking several of the city's suburbs to the downtown area. However, the average commute time for workers in downtown Gastner increased after the new highway opened.

The question stem ask for the explanation of the strange and counterintuitive outcome.

It is possible that because of high connectivity to the highway, average traffic around downtown Gastner has increased substantially.
Only option E is in line with the above mentioned explanation.

The second most preferred option C is a bait. It mentions the up gradation with new stoplights, implying that there were stoplights before; however, only the earlier ones were upgraded.
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In order to relieve traffic congestion, the city of Gastner built a ne  [#permalink]

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New post 31 Dec 2018, 03:26
In order to relieve traffic congestion, the city of Gastner built a new highway linking several of the city's suburbs to the downtown area. However, the average commute time for workers in downtown Gastner increased after the new highway opened.

Type-paradox
Boil it down- the average commute time for workers in downtown Gastner increased after the new highway opened.
Pre-thinking- what if the opening of the highway led people to ditch public transport such as bus, metro etc and use their own vehicles, leading to more traffic on the roads


(A) Most people who work in the downtown area of Gastner commute from one of the city's suburbs.- Out of scope. What matters is whether there's a change in the number of drivers or the conditions they drive in that would increase commute times. The percentage of those who work in the downtown area commute in from the suburbs doesn't provide a stimulus for the increased commute times.

(B) The location of the new highway is most convenient for people who commute to and from Gastner's largest suburbs. - Incorrect - this does not explain the increase in average commute time

(C) Shortly after the new highway was opened, several suburban roads connecting to the new highway were upgraded with new stoplights. - Incorrect - this might just be replacement stoplights, in which case, there is no good reason they would make a difference to the commute. But even if these were brand new stoplights, on streets that had never had stoplights before, that still wouldn't explain the commute.

(D) At the same time the new highway was being built, road repair work was being done on important streets leading to downtown Gastner. - Incorrect - but the highway has been completed; so this information isn't useful

(E) In Gastner's downtown area, traffic on the roads near the new highway became more congested after the new highway was opened.- Correct - This would increase the number of drivers in the downtown area and could explain increased commute times.


Answer E
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In order to relieve traffic congestion, the city of Gastner built a ne &nbs [#permalink] 31 Dec 2018, 03:26
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In order to relieve traffic congestion, the city of Gastner built a ne

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