A year after launching its Web site, UK car manufacturer Vauxhall has launched an upgraded version of Trafficmaster, its realtime traffic information service. Trafficmaster has metamorphosed into TrafficNet. The new service, built to take advantage of developments in Internet technology, makes use of Shockwave software which allows effects to be animated on the Web. TrafficNet superimposes the UK's motorway network and some 'A' roads onto the Internet user's monitor; users click on the mouse to zoom in on a specific area of the country. On screen, 'live' congested areas are indicated by red or yellow squares. A red arrow means the traffic is stationary and varying shades of yellow indicate speeds below 30mph down to a crawl. The company's Web site was developed by IBM's interactive multimedia team although the data is collected from Vauxhall's network of sensors dotted on motorways around the UK. The information is then processed at the company's control centre in Milton Keynes, Buckinghamshire.
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