(1) A driver in a marked lane to which an overhead lane control device applies must comply with this rule.(2) If the device displays an illuminated red diagonal cross or is a traffic sign displaying a red diagonal cross, the driver must not drive in the marked lane past the device.(3) If the device displays a flashing illuminated red diagonal cross, the driver must leave the marked lane as soon as it is safe to do so.(4) If the device displays an illuminated white, green or yellow arrow pointing downwards or indicating one or more directions, the driver may drive in the marked lane past the device.Overhead lane control device applying to marked lanes
Note for diagram : If the device displays an arrow indicating one or more directions, the device operates also as traffic lane arrows see the definition of traffic lane arrows in the dictionary. Rule 92 deals with traffic lane arrows.