Police have unveiled new hi-tech speed camera vans that can detect drunk and drug drivers from up to ONE MILE away.<br /><br />The vans can also catch motorists not wearing seatbelts and using mobile phones behind the wheel.<br /><br />Four new vans will be deployed in the West Midlands and can operate 24- hours-a-day, seven days a week.<br /><br />Each van costs around £47,000 and come packed with the latest technology in a bid to crackdown on bad drivers.
