Re: Same concept...
Works more reliably in areas with low population density, where it's not likely that any 3rd party on the on ramp would accidentally derail the plan.
Have used that many times to cut down wait time in traffic jams on the M25 around London.
Though you have to know which junctions have roundabouts above them, so that you can get back on, and which have non-intersecting slip roads,when you find yourself heading away to points unknown :)
Biting the hand that feeds IT
