The ERP is an electronic road pricing system that is used in Singapore's City Street to collect tolls. Singapore is the first country in the world to adopt the electronic road toll system. The electronic road toll system started to be used from 1998, and evolved from the previously implemented regional pass system. The Electronic Road Pricing System aims to encourage people to choose alternatives to travel through charging. The ERP reduces traffic flow in busy urban sections, and it also alleviates traffic congestion during rush hours.

Since the charging standard of the ERP system changes upon the time and traffic flow, it needs a reliable, clear and easy to read display board to provide information for the travelers. Since this ERP system was quite innovative at the time, we also made a big effort to overcome the problems for integration of the real-time dynamic charging system. Finally based on 30 years of experience in the traffic display industry and advanced technology, we have provided an excellent display for this ERP system. It helps Singapore's smart city plan to go a huge step further.