Transport Scotland has begun a public consultation on its proposal to regulate use of the M90 and A90 Trunk Roads crossing the River Forth.Its wanting views on its plans to introduce mandatory variable speed limits on the M90 between Admiralty Junction and the new Queensferry Junction to the south of the Queensferry Crossing, the A90 between the new Queensferry Junction to the south of the Queensferry Crossing and Dalmeny and on the northbound M90 from Masterton Junction to the end of the ITS system already in place.It's also proposing an actively-managed hard shoulder on the M90 between Ferrytoll Junction and the new Queensferry Junction, including across the Queensferry Crossing which will be used by certain buses if the Forth Road Bridge is closed to such vehicles during periods of high winds.A detailed summary of the proposals and how to respond can be found at here.The Consultation is live now until noon on Thursday 23 June 2016.