Complex sentence: After the reconstruction of the approach of the line towards Stralsund, trains to and from Stralsund no longer stopped at the station of the Friedrich-Franz Railway, which subsequently became the Rostock freight yard.
Split into simpler sentences: After the reconstruction of the approach of the line towards Stralsund trains to and from Stralsund no longer stopped at the station of the Friedrich-Franz Railway. The former station of the Friedrich-Franz Railway became the Rostock freight yard.