Facts
The appellant X. was driving his passenger car on the overtaking lane of the A1-East motorway towards Kirchberg on September 23, 2010. Traffic was heavy. There were two more vehicles immediately in front of him. As the traffic ahead of them came to a standstill, X. was unable to bring his vehicle to a complete stop in time despite full braking and collided first with the passenger car in front of him and then with the vehicle driving in front of that one. Significant property damage occurred, but no one was injured.
On December 6, 2010, the Investigating Magistrate's Office II Emmental-Oberaargau convicted X. of failing to maintain a sufficient distance when driving in a line and of not adapting his speed to the visibility conditions, and imposed a fine of CHF 500.--. On March 31, 2011, the Road Traffic Office of the Canton of Aargau revoked X.'s driver's license for three months due to a serious violation of the traffic regulations. X.'s appeal against this revocation decision was dismissed by the Department of Economics and Interior of the Canton of Aargau on November 4, 2011 and by the Administrative Court of the Canton of Aargau on May 30, 2012.
Considerations
The Federal Supreme Court concludes that X. is guilty of a moderately serious violation within the meaning of Art. 16b para. 1 lit. a RTA. Although…