Types of vehicles:
A1: 49-125cc motorbikes and scooters
A: motorbikes larger than 125cc
B: passenger vehicles (less than 9 passengers)
For those who hold international driving license can do a transfer to the Cambodian driving license and they will get a one year driving license. This needs to be renewed every year. If you pass the written and driving test, you will get a driving license which is valid for 10 years.