You’d have to be high to believe the drug-driving laws were designed to improve road safety
New drug-driving regulations came into force on Monday, establishing legal limits for the levels of sixteen intoxicating substances in the blood. Eight are illegal drugs, and eight are legal, prescription drugs. Police are being issued with new roadside testing kits, though these can only detect the presence of cocaine and THC (the main psychoactive ingredient in cannabis). Others suspected of driving under the influence will still have to be taken down to the station for a blood test. The limits set for the illegal drugs are, perhaps unsurprisingly, lower than those set for prescription drugs. I am not about to argue for leniency in cases of drug driving, but the
