Complex sentence: The free shuttles will run every half hour between 8 am and 6 pm., and will end on May 16,2014, coinciding with the end of free Sunrail service.
Split into simpler sentences: The free shuttles will run every half hour between 8 am and 6 pm. The shuttles will end on May 16,2014, coinciding with the end of free Sunrail service.