According to the DGK(Deutsches Grünes Kreuz),
german green cross, long driving trips at the wheel
have similar effect on attention like alcohol in the blood.
After three hours of driving at night the drivers behaviour
complies with one who has a blood alcohol level of
0,8 per mille found out the pharmacies of the universities of
Bordeaux and Utrecht.
In this studies test-persons had to complete car trips
of two, four and eight hours.
A video system has utilized to measure the permanent
side distance to the road track. The investigation proved,
that deviations increased, from wavy to snaky lines
driving, with the length of the trip.
Just after two hours of driving the roadsafety was
seriously restricted, like a driver with a blood alcohol level
of 0,5 per mille.
The reason:
At night the concentration is more required and we need
more energy than at daytime.Therefore the tiredness is
increasing faster.
According to the researchers a fifth part of all traffic
accidents happen, because of tiredness at the steering wheel.
Driving at daytime is much safer !!
