environmentparticulate matterroad dust and mechanical sweeping governanceurban air pollution

Delhi’s delayed mechanical road sweepers and urban dust control

Quick dive

  • Delhi missed its July deadline to deploy 140 new Mechanical Road Sweepers intended to reduce resuspended road dust.
  • The planned fleet originally comprised 70 large machines for wider roads and 70 smaller machines for narrow lanes; the smaller component was later reduced to 30.
  • The project is estimated to cost about ₹900 crore over 10 years, and a work order for 70 large machines was issued with some expected by November-end.
  • The machines form one part of a broader air-quality strategy alongside road-surface management, construction controls, vehicle policy and the Commission for Air Quality Management.
  • exam_relevance: tests primary and secondary particulate pollution, resuspension, CAQM-style airshed governance and implementation failure; it echoes UPSC Prelims 2016 on particulate matter and Mains GS-III urban pollution questions, while the fleet design and ₹900-crore estimate are article-specific facts.

Full explanation

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