A-1 - Transport The transport sector is broken down into: A-1A - Mobility A-1A1 - Road A-1A1a - Light Duty Vehicles A-1A1b - 2/3 Wheel Vehicles A-1A1c - Bus A-1A2 - Rail A-1A3 - Aviation A-1A4 - Waterborne A-1B - Freight A-1C - Other