This is about...
1.Introduction on the electronic toll system generally.
2.Brief introduction to what is ERP system in Singapore(brief),How it is working in our Road?
3.About Singapore Land Transport Authority.
4.About The old system before ERP- called Singapore Area licensing Scheme
5.Change after the implementation of ERP
53. In-vehicle Unit How does ERP work? Local Controller Housing AVID Controller Comms. Controller Central Computer System 1st Antenna Controller ECS Site Controller Detector Controller 2nd Antenna Controller