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Kenya NTSA PSV Bus Test study materials
Kenya NTSA PSV Bus Test study resources

Kenya NTSA PSV Bus Test: Traffic Act, Rules and PSV-Specific Regulations

Kenya NTSA PSV Bus Test · Work through your exam, one topic at a time.

All guide sections

Traffic Act, Rules and PSV-Specific Regulations

This domain tests the legal framework a PSV bus driver and operator works inside: the Traffic Act (Cap 403), NTSA rules, and the extra conditions attached to passenger vehicles. Questions usually combine a general traffic rule with a bus-specific limit, document or prohibition, so read each stem for the word "PSV".

Speed and movement rules

  • A PSV bus is capped at 80 km/h even where a higher limit is posted for private cars. The speed limiter must be fitted, sealed and calibrated to that setting; tampering or bypassing it is an offence.
  • Built-up areas default to 50 km/h unless signs say otherwise. School zones, hospitals and roadworks often carry lower limits.
  • Keep left and overtake on the right. Do not overtake on a continuous line, a blind crest, a bend, a zebra crossing, a railway crossing, or where a sign prohibits it.
  • Obey a police officer's lawful directions even when they differ from the lights or signs.

PSV-specific conditions

  • The vehicle needs a current PSV licence, a valid inspection certificate and insurance that covers passengers.
  • The driver needs the correct licence class for the bus, PSV authorisation and a valid medical certificate.
  • No picking up or dropping passengers at undesignated points, no touting, no overloading, and no passengers in the luggage bay.
  • The route and fare chart must be displayed.

Worked example

A bus passes an 80 km/h sign on a dual carriageway. The tachograph shows 95 km/h and the limiter has been reset to 110. There are two separate offences: exceeding the PSV limit, and interfering with a mandatory limiter. The operator also faces action because the tampering happened on the vehicle it controls. Choosing "no offence, private car limit is 110" is wrong because the 110 limit never applied to this vehicle.

Traps that cost marks

Assuming private-car limits transfer to a bus; treating the limiter as advisory; forgetting that a police officer's signal outranks a green light; confusing a PSV licence for the vehicle with the driver's PSV authorisation.