In the UK, frequent traffic jams on motorways are causing the Government to consider implementing the American idea of having dedicated lanes for cars carrying two or more persons (with fines for lone drivers caught in the wrong lane). Friends of the Earth is concerned that the scheme will be used as a reason to widen roads to create the new lanes.
There is an alternative, being tried in a country, which on occassion has seen traffic come to a grinding halt on motorway stretches up to 100 km long in the summer vacations. And where traffic jams on the motorways in the heavily populated parts of the country are common.
In Germany, a pilot traffic-forecasting scheme sponsored by the EU in Nordrhein-Westfalen, (covering 2250 km of Autobahn in the area roughly surrounding the line connecting Köln (Cologne), Essen and Bielefeld), offers 30 minute and 60 minute forecasts on the web of where traffic jams are going to occur.
It has been so successful, that some 300 000 people per day use it to plan their trips, which in turn has been enough, to make the forecasts measurably less reliable. The operators, worried that 3G mobile phones will mean even more people using the service and lowering its accuracy further, are now
considering making less detailed information available on their web site, to force drivers to use more varied strategies for avoiding the jams.