According to a traffic control, only a few truck drivers keep the prescribed minimum distance of 50 meters on the Autobahn 2 between Hanover and Dortmund.
The police discovered on Thursday when they checked trucks for two hours near Bad Nenndorf.
Most drivers were less than 30 meters away from their vehicle in front, as the officials said.
Hanover - A coach was also driving less than ten meters from the vehicle in front of him.
In addition, according to a police spokesman, 10 out of 1,000 trucks had not properly secured their cargo.
Sometimes fines were collected directly, other drivers will receive a notice of fines in the mail.
Serious rear-end collisions regularly occur on Autobahn 2 between Hanover and Dortmund, in which several truck drivers have been killed in recent years.
dpa