Wicked problems have a way of spawning other wicked
problems. One such problem, traffic congestion, calls for
road user charging, which is itself a wicked problem.
Road use charging, in turn, has several hundreds of
economists and engineers planning for another wicked
problem – GNSS-based road user charging. Here’s the way
out of this most vicious of cycles, according to
62 Vol 5 No 2 Thinking Highways www.thinkinghighways.com