Chương 2 Thông tư 07/2010/TT-BGTVT: Quy định về tải trọng, khổ giới hạn của đường bộ; công bố tải trọng, khổ giới hạn của quốc lộ

Chapter 2.

REGULATION ON LOAD AND LIMIT SIZE OF ROADS; PUBLICATION OF LOAD, LIMIT SIZE OF NATIONAL HIGHWAY

Article 4. Load of roads

1. Road load is the working load bearing capacity of bridges and roads to ensure the life of works as designed.

2. Working load bearing capacity of bridges is determined according to documents designing bridges and actually technical status of the bridges publicized by the competent agencies or indicated by signs "limited load of vehicles". 

3. Working load bearing capacity of roads is determined according to documents designing road surface and actually technical status of the roads publicized by the competent agencies or indicated by signs “limited load on axles".

Article 5. Limit size of roads

1. Limit size of roads is a space with limited size in height, width of roads, bridges, ferries, tunnels for the vehicles, including cargoes loaded on the vehicles to go through safely.

2. Limit size of the height of the roads is 4.75 meters for highways, roads of grade I, II, III; 4.5 meters for roads of grade IV or less;

3. Limit size of the width of the roads is the limit of the width of lanes, depending on the engineering levels of roads and construction terrain of the roads.

Article 6. Publication of the load, limit size of the highways

1. Publication of the load on some routes, the sections of highway that have been renovated, upgraded or newly constructed in sync with the road surface design load for single axle vehicles agreed by consent as 10 tons/axle, the bridge design load as the load of the vehicle convoy emulated according to the load diagram H30-XB80 or HL93 load is in Appendix 1a issued together with this Circular.

2. Publication of highway size limits at the technical levels of roads and construction terrain of the road is in Appendix 1b attached to this Circular, for a number of roads, sections of highways in Appendix 1a.

3. For the bridges on the routes, sections of national highways publicized in Appendix 1a which have not been upgraded synchronously on load, limit size consistent with the load, size limits announced in Clause 1 and Clause 2 of this Article, the road management agencies must organize to place signs of load limits, actual limit size of the bridges.

Article 7. Adjustment of the publication of load, limit size of the national highways 

Every year, the Directorate for Roads of Vietnam is responsible for updating the routes, the sections of national highways to be newly built, upgraded, renovated or routes, the sections of national highways to be degraded due to damage of road surface or technical status of the works on the national highways that do not guarantee to publish additionally or adjust the load, limit size of the national highways announced in Clause 1 and Clause 2 of Article 6 of this Circular. 

Article 8. Circulation of motorized means of road transport

1. Motorized means of road transport meeting the conditions on load and limit size of the roads as announced and the regulations on cargoes loading limits in Article 16, Article 17 and Article 18 of this Circular are circulated on the routes, the sections of national highways specified in Appendix 1a. 

When motorized means of road transport are driven across the bridges with signboards "limited load of vehicles", the actual limit size of bridges in accordance with provisions of clause 3 of Article 6 of this Circular, it must comply with signboards “limited load of vehicles ", limit size of the bridges, speed and safe distance between the vehicles when crossing the bridges.

2. On the other routes, the sections of roads other than the list to be published in Appendix 1a, the vehicle owners, hirers of transport, drivers must comply with provisions on load, the limit size of local road publicized by the People’s Committees of provinces and cities directly under the Central Government or signboards "limited load of vehicles", permissible limit size of road, speed and safe distance between the vehicles upon circulated on road and the regulations on cargoes loading limit on motorized means of road transport.

3. Where required to transport undetachable cargoes or circulate means with  total load, size exceeding load, limit size of road, the vehicle owners, hirers of transport, drivers must request the competent road management agencies to grant permits for circulation prior to operating vehicles on road.