Much concern has been expressed about the Big Brother potential of such systems. But this is by no means an essential hazard. The transponders, barcode tags, or whatever could be purchased anonymously, and authorization to cross various toll points n times purchased in advance, like postage stamps. Attempting to pass without prepaid authorization triggers a buzzer, light, gate, or something directing one to a conventional toll booth. Those who proceed anyway are chased down like someone who goes through an ordinary toll booth without paying.
Smart roads are no exception.
We should indeed protest implementations of the technology which are invasive to privacy, but suppress Luddite urgings to abandon it altogether. However I do feel some of the more fantastic possibilities are unlikely to materialise. European Single Market From 1992, all goods sold in the Single Market must conform to common specifications. For example, the U.K. would like to introduce a requirement for U.S. style third brake lights. However before it can do this, it needs all the other member countries to agree.