Police will also look for signs of swaying. The process is repeated for the other leg. Motorists affected by drugs often fall over during this test. Harder than it seems when under the influence of drugs. Blood or urine samples will establish the presence of drugs in the body.
More research is needed.
However, drivers who refuse can be arrested on suspicion of driving while impaired by drugs and then undergo similar tests by a police doctor. Driving while under the influence of drugs carries the same penalties as drink-driving. Police do not distinguish between medical or illegal drugs since the prime concern is road safety. The report will call for urgent action because the number of drivers and passengers who have died in road accidents after taking drugs has risen from three per cent to 18 per cent of the total in the past 15 years. Police forces, backed by the Government, have already tested two drugs-detection tests.