ERP 2.0: A look at Singapore's new version of its electronic road pricing system

The ERP 2.0, or new electronic road pricing system, will be rolled out in Singapore gradually and it's out with the in-vehicle unit (IU), in with the on-board unit (OBU).
The new system will be satellite-based and has the capability to support distance-based charging through its global navigation satellite system, but authorities say there are no immediate plans to introduce distance-based charging.