Emergency roof hatches on a bus:

Question

On a bus, it is permissible to lock some emergency roof hatches in an open position to allow in fresh air. However, this should not be a regular practice.

Accepted Answer

Can be opened to allow for air movement during a drive.

Answer

Must be closed before the bus is driven.

Answer

Must be removed before the bus is driven.

Emergency roof hatches on a bus:

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