Complex sentence: Some on-street sections of track were laid into a special foundation with cobbled road surfacing designed to be sympathetic with the style of Edinburgh streets but it was removed in many places due to objections from cyclists.
Split into simpler sentences: Some on-street sections of track had been laid into a special foundation with cobbled road surfacing designed to be sympathetic with the existing style of Edinburgh streets. This was removed in many places due to objections from cyclists.