I would have thought that it would be preferable to let down onto the road where the surface conditions are easier to see and there is probably less risk from FOD.
Mmmm, having noticed the amount of rubbish in motorway central reservations and on hard shoulders ....
Clean Highways | Motorway litter | Litter laws
http://www.cleanhighways.co.uk/wp-co...Motorways1.pdf
Our road networks, in particular our motorways are “blighted by rubbish. I am aware that there is legislation in place however ….. it is frankly not working“.
Mike Penning MP
Under-Secretary of State for Transport
2010 – 2012 speaking in March 2010
http://www.cleanhighways.co.uk/wp-co...06/Before7.jpg
...and I guess it's also safe to land on astro turf pitches !