Factors Affecting PCU

Factors affecting PCU

  • Size – the length and width of the vehicle.
  • Speed under the prevailing roadway and traffic.
  • Environmental and climatic conditions.
  • Roadway characteristics which includes road geometrics, rural or urban roads and types of intersections.
  • Clearances – transverse and longitudinal for ensuring safe traffic operation.
  • Regulations and control measures of traffic.
  • Different vehicle classes.
  • Dimensions, power, speed, acceleration and braking characteristics.
  • Road environment (urban, rural, signalized etc.)
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