Decree No 2011-64 of 17 January 2011 relating to the total permitted combined weight of motorised road vehicles, completed by the Order of 17 January 2011 relating to the total permitted combined weight of motorised road vehicles used for combined transport, access to sea and river ports and transportation of certain agricultural and agri-food products, was published in the OJ. of 18 January 2011. It amends article R. 312-4 of the Traffic Code relating to the limit on total permitted combined weight for heavy vehicles, which increases from 40 to 44 tonnes, in order to improve the competitiveness of the transport sector and reduce the number of heavy goods vehicles used for the transport of bulky cargoes, as well as CO2 emissions.