The Stanley to Mt Pleasant road was originally going to be all blacktop, but money became scarce hence the blacktop on the hilly bits and the rest scalpings. When it opened it had no speed limit. One of the first soldiers to drive it in a SWB Land Rover was a signaller from 216 Sig Sqn who came of blacktop onto shale at speed, rolled and sadly died. There was then a lot of toing and froing on who had the authority to set a speed limit, FIG or the Military. Finally resolved and 40mph limit set several days, maybe weeks later (Long time ago). For 48 hours in 86 the road was on my personal slop chit.