Prelims level : Urbanization, Their Problems & Remedies Mains level :
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Why in News?

  • A recent study has ranked Mumbai as the most traffic-congested city in the world for the second straight year, and Delhi at fourth place.

Traffic Index 2018:

  •  The findings published are part of the Traffic Index 2018 published by TomTom, an Amsterdam-based company.
  •  It offers traffic solutions, uses location technology to collect traffic information, and has been publishing city rankings for eight years.
  • The index factors for peak hours, accidents, inclement weather, construction work and all other factors likely to cause disruptions.
  • The latest index ranks 403 cities across 56 countries, including 13 new cities.

Defining Congestion:

  • For this study, congestion has been defined in terms of the additional time taken to reach a destination as opposed to when the road would have been clear of traffic.
  • Mumbai’s 2018 congestion level of of 65%, therefore, means that the extra travel time is
    65% more than an average trip would take during uncongested conditions.
  • For Delhi, by the same yardstick, the extra travel time is 58% more.

Around the world:

  • Nearly 75% of the cities part of the 2018 index had increased or stable congestion levels between 2017 and 2018, with only 90 cities showing measurable decreases, states the report.
  • Congestion in Jakarta, for example, decreased by 8 percentage points while that in Lima rose by the same number of points.
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