The tags are attached to the windshield inside the cars while the readers are placed on the roadside or on bridges. When an equipped car passes in front a reader, at a speed not exceeding 250 kph, the unique 64-bit ID of the tag is read. The readers, which cost about US$1,000, can detect up to 7,200 vehicles per minute (a pretty busy road, isn't?). The tags cost currently 60 cents each -- for an order of 5 million tags.
The technology will be used to control traffic and speed, but also will enable immediate traffic ticketing or toll collection. You'll find selected excerpts in this overview.
|:: posted by Roland Piquepaille, 1:30 PM|| Comments (0)
Links to this post