king line is called a driving connection with rail transport of Sassnitz in Germany after Trelleborg in Sweden. It represents the shortest direct driving connection between Germany and Sweden with a running time of approximately four hours.
at the 1. May 1897 was furnished a post office steamer line Sassnitz Trelleborg. At first the convention between Prussia and Sweden planned only one departure for each direction and day with express train connections to Berlin and Stockholm . Due to the high traffic volume was decided to convert the post office ferry into a train ferry. This is considered as „actual “opening date for the king line. To 6. July 1909 used the first course the new ferry in presence of the Swedish king and the German emperor.
In November 1911 a radio link between Sassnitz, was furnished Trelleborg and the ferry boats which brought a increased security during the passage with itself.
In the Second World War the ferries of the king line stopped several times traffic. On the route now among other things supply for the German troops stationed in Norway was carried. Because of the destruction of the damdam dam and the driving port in Sassnitz traffic rested after end of war altogether three years. To 16. March 1948 was again taken up the international vehicular traffic.
With the employment of the viergleisigen ferry boat Trelleborg the time of the large ferries with autotransport on the Baltic Sea began. Since 1998 the ferry boats operate no longer directly from Sassnitz, but from the new driving port in the quarter Mukran. The only passenger train cars, which are transported still with the king line, are the sleeping cars of the privately operated pair of courses Berlin Night express Berlin - Malmö.