SURREY POLICE is set to begin a crackdown on drug-driving motorists, by taking oral swabs at the roadside.On March 2 legislation comes into force setting legal limits for how much of a substance motorists can have in their system while driving.And a new device, The DrugWipe system, will allow officers to determine in less than 10 minutes whether motorists have illegal substances in their body, using a swab from inside a driver's cheek.Officers no longer need to prove that a motorist is fit...
