Because stimulants impair, your ability to use proper judgment on the road will be compromised.
Explanation:
Altered psychological and emotional states can affect your ability to drive or drive safely. Man artificially interferes with these conditions by using chemicals that alter brain function. And it's not just alcohol we're talking about, stimulants and medications can also compromise safe driving. In the case of stimulants, their action on the body causes brain changes that impair the driver's judgment, offering a very dangerous situation, as a driver must judge situations on a road quickly and accurately.
In short, stimulants impair your ability to use proper judgment on the road.