This is called TrafficMaster in the UK ( http://www.trafficmaster.co.uk/home.php ). It uses detectors placed at regular intervals along all major and a lot of minor roads and you can receive basic traffic data over the cellphone network without a subscription.Been operational for ten years or so. It's not quite as described here as it does not require the active participation of it's users.
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This is called TrafficMaster in the UK ( http://www.trafficmaster.co.uk/home.php ). It uses detectors placed at regular intervals along all major and a lot of minor roads and you can receive basic traffic data over the cellphone network without a subscription.Been operational for ten years or so. It's not quite as described here as it does not require the active participation of it's users.