How are they going to enforce seat belt use, and what is their projected injury prevention based on this?
I don't think I ever sat correctly in a bus seat because they were planks. Instead I'd slouch in them with my knees wedged against the seat back.
Shoulder belts sound unnecessary because the main benefit of a seatbelt in a bus is to keep occupants in their seats in a rollover, not to prevent impacts into the padded seatbacks. I suppose it's necessary so the driver can enforce use. A lap belt can't be seen in the mirror.
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