Complex sentence: It had a relatively short passenger railway life, only running regular passenger trains for the full length of the line until 1919, the last regular passenger service ran between Halesowen and Old Hill in 1927.
Split into simpler sentences: It had a relatively short passenger railway life, only running regular passenger trains for the full length of the line until 1919. The last regular passenger service ran between Halesowen and Old Hill in 1927.