The driver of a public bus who stops for B lights showing a red or yellow B light must not proceed until –

(a) a white B light is showing; or

(b) no B light is showing and traffic lights at or near the B lights are showing a green traffic light.

Penalty:  Fine not exceeding 10 penalty units.

Note Green traffic light , red B light , traffic lights , white B light and yellow B light are defined in the dictionary. A diagram of a white B light is shown in rule 285.