Complex sentence: With the coming of the mini-CTC signalling system in April 2008, a passing loop was installed at the Dublin end of the station, but the current (2008) timetable does not require any trains to cross here.
Split into simpler sentences: With the coming of the mini-CTC signalling system to the line in April 2008, a new passing loop was installed at the Dublin end of the platform. However the current 2008 timetable does not require any trains to cross here.