India’s first ever Highway Capacity Manual 

The Minister of Road Transport & Highways Shri Nitin Gadkari released India’s first ever Highway Capacity Manual in New Delhi on 12 February 2018.

  • The manual, known as Indo-HCM, has been developed by CSIR – CRRI on the basis of an extensive, country-wide study of the traffic characteristics  on different categories  of roads like single lane, two-lane, multi-lane urban roads,  inter-urban highways and  expressways and the associated intersections on these roads.
  • The study involved seven academic institutions including IITs at Roorkee, Mumbai and Guwahati, School of Planning and Architecture, New Delhi, Indian Institute of Engineering and Science and Technology, Shibpur, Sardar Vallabhai Patel National Institute of Technology, Surat and Anna University, Chennai.


  • The manual lays down guidelines for when and how to expand or manage different types of roads and their intersections and the level of services to be put in place.
  •  It is designed to be a useful tool for guiding road engineers and policy makers in the country.
  • It has been developed based on the unique nature and diversity of traffic on Indian roads.
  • While countries like USA, China, Malaysia, Indonesia, Taiwan developed their own Highway Capacity Manuals long time back, this is the first time that the manual has been developed in India.
  • -The long awaited manual would help in the scientific planning and expansion of road infrastructure in the country.

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