Chapter 3.
REGULATIONS ON CIRCULATION OF OVERLOADED VEHICLES, OVERSIZED VEHICLES, TRACKED VEHICLES ON ROADS
Article 9. Regulations on permission of circulation of overloaded vehicles, oversized vehicles on roads
2. Oversized vehicles which are allowed to circulate on the roads (hereinafter referred to as oversized vehicles) are the motorized means of road transport with one of the outside dimensions including goods loaded on vehicles (if any) exceeds the maximum allowable size according to regulations for motorized vehicles of road transport upon participating in road transport.
3. Special-use motorcycles with a total load of vehicle, axle load exceeding the working load of road, or outside dimensions exceeding maximum allowable size according to regulations for motorized vehicles of road transport upon participating in road transport are also considered as overloaded vehicles, oversized vehicles.
4. In addition to the above provisions, the other cases shall be decided by the Minister of Transport.
Article 10. Regulations on circulation of tracked vehicles in road transport
When tracked vehicles participating in road transport, it must comply with the mandatory measures such as fitting chain parts, place concrete slab, steel heelpiece, or other measures to protect the road surface. Where it fails to take the mandatory measures required above, tracked vehicles must be transported on other vehicles.
Article 11. Circulation of overloaded, over-sized vehicles, tracked vehicles on roads
1. The circulation of overloaded, over-sized vehicles, tracked vehicles on roads must be ensured traffic safety and the safety for the road works.
2. When organizations and individuals that are owners of means, the carriers, transport hirers, or the drivers drive the overloaded vehicles, oversized vehicles, tracked vehicles on roads must comply with the following provisions:
a) It must have permits for circulation of the overloaded vehicles, oversized vehicles, tracked vehicles on roads issued by the competent agencies as prescribed in Article 21. The permits for circulation of vehicles for each vehicle in accordance with provisions in Appendix 2 and Appendix 3 attached to this Circular.
b) It must comply with the provisions recorded in the permit for circulation of vehicle.
3. The vehicles transporting goods in excess of the vehicle’s permissible load by the manufacturer's design or exceeding permissible load of vehicle which was tested by the register agency after designed for renovation or oversized vehicles of the road shall not be allowed to circulate on the road.