An ATV crash in New Fairfield has resulted in injuries to three youths.  State Police say a Yamaha all-terrain vehicle was headed west on Pine Hill Road Saturday afternoon when it crashed.  All three were ejected from the quad, which came to final rest in the roadway.  None of the three were wearing helmets.  A 16-year old New Fairfield girl was driving.  State Police identified the passengers as an 11-year old boy from White Plains and a juvenile girl from New Rochelle.  All three  sustained minor head injuries and were transported to Danbury Hospital for evaluation and treatment.  The crash remains under investigation.