Seatbelt laws again under scrutiny in wake of fatal Hunter Valley bus crash

Experts say enforcing compliance with the laws on buses is a grey area - and conventional seatbelts offer limited protection in a rollover

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Road laws in New South Wales require all bus passengers to use seatbelts if the vehicle is fitted with them, but experts say compliance is a grey area and question whether belts could have prevented all 10 deaths in Sunday's Hunter Valley crash.

The causes of the crash remain under investigation, and it is unclear whether passengers were wearing seatbelts.