Complex sentence: In addition, between 2001 and 2010, weekend service along the G to Forest Hills had been intermittent, with frequent cutbacks to service due to construction, so the 2010 route reduction actually increased service frequency on the remainder of the route.
Split into simpler sentences: In addition, between 2001 and 2010, weekend service along the G to Forest Hills had been intermittent, with frequent cutbacks to service due to construction. The 2010 route reduction actually increased service frequency on the remainder of the route.