An 18-year-old man has been arrested on suspicion of dangerous driving and driving over the prescribed limit after a crash in Grouville.
Jersey Police, fire and rescue, and ambulance crews attended La Grande Route des Sablons just before 11pm.
Three female passengers have been taken to hospital for treatment.
The arrested teenager remains in police custody and enquiries continue.
The road from East Lynne to the junction with La Rue de la Sente Maillard was closed last night and during rush-hour this morning as a result of the incident.

New website helps children and families navigate the digital world
More time in Jersey for French day-trippers
Rapist jailed more than two decades after his crime
Jersey Airport to see 20,000 passengers in the run up to Christmas
Both winning CI Christmas Lottery Tickets sold in Jersey
Jersey churches host free Christmas events in the Royal Square
Support service set up for carers of people with mental illness
New Jersey Opera House CEO appointed