Complex sentence: The Edinburgh Trams system was to have served the stadium by the McDonald Road tram stop on Leith Walk, but this part of the line was cancelled in June 2011 due to delays and cost overruns.
Split into simpler sentences: The Edinburgh Trams system was to have served the stadium by the McDonald Road tram stop on Leith Walk. However this part of the line was cancelled in June 2011 due to delays and cost overruns.