12 Transportation · 12.1 Transportation planning

12.1.2 Traffic volume studies, counts and PCU values

A traffic volume study counts how many vehicles, and of what type, pass a road section in a given time; the counts are converted to passenger car units (PCU) so that mixed Indian traffic can be compared with road capacity.

  • MPSC ATP
  • Standard level
  • 8 min read
  • Full course

Key terms

  • traffic volume
  • flow
  • classified count
  • manual count
  • pneumatic tube
  • inductive loop
  • video count
  • moving observer method
  • ADT
  • AADT
  • seasonal factor
  • 30th highest hourly volume
  • design hourly volume
  • K factor
  • directional factor
  • peak hour factor
  • PCU
  • IRC:106-1990
  • IRC:64-1990
  • dynamic PCU
  • Indo-HCM

What this note covers

  1. Core factsFoundation
  2. ExplainedStandard
  3. DeeperAdvanced
  4. Mains writingMains writing
  5. Common trapsFoundation
  6. Quick revisionFoundation

Read the full note in the app. It is part of the MPSC ATP full course in Medha AI. Free in the app: the first note of each topic.

Read the full note in the app Transportation questions with answers

All Transportation planning notes · MPSC ATP syllabus · MPSC ATP Mock Test 1 with answers · Start free

Medha AI writes its own notes and checks them against the sources listed. Medha AI is an independent preparation service. It is not affiliated with, endorsed by or connected to APPSC, TSPSC, MPSC, UPSC or any other commission or government body.