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100 _aGu, Y. et al
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245 _aSubways and road congestion
260 _aAmerican Economic Journal: Applied Economics
300 _a13(2), Apr, 2021: p.83-115
520 _aWe study whether subways alleviate road congestion by examining 45 subway line launches in China and by using detailed data on road speed. Our difference-in-differences estimation finds that in the first year after a subway line is launched, rush hour speed on nearby roads increases by about 4 percent. The effect is most prominent in initially congested roads and declines over distance to the new subway line. Evidence on road speed is corroborated with substitution patterns among modes of transportation. Using auxiliary data from Beijing, we calculate that the time savings for each automobile or bus commute from faster speed is worth US$0.10. – Reproduced
650 _aSubways, Road congestion
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773 _aAmerican Economic Journal: Applied Economics
906 _aROAD TRANSPORT
942 _cAR