An announcement system that gives out pre-recorded warning message to the vehicles blocking the centre yellow box at the junction. The system can be integrated with remote monitoring cameras, remote announcement system, flasher, or a siren unit.
Road users are more aware and alert NOT to block the centre yellow box when they are at the junctions
The drivers in front of the queue are more cooperative to ensure that the last queued vehicles are able to move forward once the signal turns red.
Ensure the safety of the road users by adhering to the traffic rules.