Four people were taken to the Prince County Hospital in Summerside after a single vehicle collision on Route 2 in Alma on Friday morning.
The car which was heading west crossed the highway and hit a guardrail before stopping.
The guardrail protected the occupants from a more serious accident.
West Prince RCMP, the Alberton Fire Department and Island EMS responded to the crash.
There was one man and three young women in the vehicle. All under the age of 20.
Extent of the injuries has not been disclosed.