ELECTRONIC route finders are great for drivers trying to find their way round
an unfamiliar city. But they are not so good for people living in the quiet,
residential streets the software recommends as short cuts—so the search is
on for intelligent systems that find the best way, without upsetting the locals
whose streets become “rat runs”.
Current route finders use GPS receivers and digitised maps of an area to
pinpoint your location as you drive around. The fastest route to your
destination is calculated from information like speed limits and the number of
traffic lights on each road.…
