Public Light Buses (PLBs) are minibuses with not more than 16 seats. Their number is fixed at a maximum of 4,350 vehicles. Some PLBs are used on scheduled services (green minibuses) and others on non-scheduled services (red minibuses).

Red minibuses are free to operate anywhere, except where special prohibitions apply, without control over routes or fares. There are 1,263 red minibuses in April 2013. In year 2012, RMBs carried about 353,000 passengers daily.

1. Public Light Bus Driver Identity Plates Specifications / List of authorized agents [PDF]
2. Incentive Scheme for Replacing Euro II Diesel Commercial Vehicles by New Commercial Vehicles
3. Public Light Bus Newsletter "PLB Net" [Chinese Version Only]
4. FAQs about PLB Licence