Traffic Volume (PCU) & LOS Calculator

Ref: JKR / HPU Traffic Guidelines, Highway Capacity Manual (Malaysia adapted)

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Total PCU = Σ(vehicle_count × PCU_factor)

Ref: JKR / HPU Traffic Guidelines, Highway Capacity Manual (Malaysia adapted)

Vehicle Counts

Cars / Light Vehicles (veh/hr)

Peak hour count

Motorcycles (veh/hr)

Peak hour count

Buses (veh/hr)

Peak hour count

Heavy Vehicles (>10t) (veh/hr)

Lorry, trailer, tanker

Medium Lorries (3.5–10t) (veh/hr)

Medium goods vehicles

Road Parameters

Peak Hour Factor (PHF)

Typical 0.85–0.95

Lane Capacity (PCU/hr/lane)

Urban: 1200–1800, Rural: 1500–2000

Number of Lanes

Per direction

Disclaimer: This output is an engineering calculation aid only and does not constitute a final or endorsed design. All designs submitted to Malaysian authorities must be endorsed by a registered Professional Engineer (PE) under the Board of Engineers Malaysia (BEM) in accordance with the Registration of Engineers Act 1967.