Sydney,NSW,Australia -ATA Friday Facts -February 25, 2011: -- The National Transport Commission (NTC) has today announced it will increase registration charges for heavy vehicles 2.4 per cent on 1 July 2011... Under the changes, the cost of registering a semi trailer will increase from, $5612 to $5746, while a B-Double will now cost $15,708, as opposed to $15,340 in 2010-11... In February 2008, the Council of Australian Governments (COAG) and the Australian Transport Council (ATC) agreed that heavy vehicle charges should be adjusted annually to maintain recovery of road costs... The NTC is responsible for reviewing national heavy vehicle charges and calculating the annual adjustment, with the revenue recovered through heavy vehicle charges contributing to building better and safer roads... Heavy vehicle registration charges are automatically adjusted each year by the annual adjustment factor under regulations and laws in each state and territory...(Images from roadtransport/big-lorry-blog: Australia's road train)