Texas CDL General Knowledge Practice Exam

Driving under the influence of drugs has significant adverse effects on a person's ability to safely operate a vehicle. Specifically, impaired judgment and slower reaction times are critical issues. When a driver is under the influence of drugs, cognitive functions can be severely compromised, leading to poor decision-making and an inability to assess risks accurately. This impairment can result in reckless behavior, such as speeding, ignoring traffic signals, or not adhering to safe driving practices.

Additionally, slower reaction times mean that the driver may not respond quickly enough to sudden changes in traffic conditions, such as a car stopping abruptly or a pedestrian crossing the road. This increased response time can lead to collisions that might have been avoided if the driver were sober. Understanding these effects is crucial for promoting road safety and recognizing the importance of avoiding drug use before driving.