Bad Rappenau
The northern line of the Heilbronn Stadtbahn was opened at the 2014/2015 timetable change. Following the construction of the section of line from Bad Rappenau to Bad Friedrichshall between 7 January 2014 and 30 April 2015, the new S42 service was opened between Sinsheim and Bad Rappenau. In the spring of 2015, S42 services were extended from Bad Rappenau to central Heilbronn.