European Warning: Closing Your Eyes for One Second at 100 km/h Means Driving 28 Meters Blind

A single second may seem like an insignificant amount of time, but behind the wheel at highway speeds, it can be enough to create a serious hazard for the driver and everyone around them. Experts from the European Automobile Club (ACE) have warned that closing your eyes for just one second while driving at 100 km/h means the vehicle travels approximately 28 meters without the driver seeing the road. That distance could easily conceal a sudden obstacle, another vehicle, or a change in traffic flow.

Momentary Blindness and the Amplified Risk of Speed

This danger is often referred to as momentary blindness, where the car continues moving forward while the driver loses the ability to monitor the road, even for a fraction of a second. The risk is compounded because drivers may not realize how far they have traveled without vision, especially when fatigue, drowsiness, or long hours behind the wheel are involved. As speed increases, so does the distance covered during a blink or a lapse in attention. At high velocities, a brief moment of sleepiness or distraction can directly trigger an accident, since the time available for the driver to react or apply the brakes is drastically reduced.

Fatigue is the Driver's Enemy and Early Warning Signs

Fatigue and drowsiness rank among the leading causes of lost concentration while driving, particularly during long trips, nighttime driving, or after an exhausting workday. Early warning signs include excessive yawning, heavy eyelids, poor focus, not remembering parts of the road, or drifting slightly within the lane. The ACE experts advise pulling over to a safe spot immediately upon feeling sleepy or losing focus, and never fighting the urge to sleep while driving. Drivers can take a short rest break or switch seats with another person if available, rather than continuing the journey in a state of exhaustion.

Tips to Minimize Drowsiness and Avoid Distractions

It is recommended to get adequate sleep before long journeys, avoid driving for consecutive hours without a break, and stop periodically to regain energy and concentration. Ventilating the car, drinking water, and avoiding heavy meals before driving can also help reduce sluggishness, but these steps are no substitute for proper rest or sleep when needed. The danger is not limited to drowsiness alone; being distracted by a phone or looking away from the road for just a few seconds can produce the same result, with the car traveling a significant distance while the driver is not paying attention, turning a small moment of inattention into a potential catastrophe.