One lane of the A21 Sevenoaks by pass has been closed after Ford span out and lost control on Sunday morning.
A number of drivers who witnessed the collision stopped and rendered first aid on the people involved before the arrival of Police.
Officers from Kent Police have been called to the incident.
South East Coast Ambulance Paramedics are treating one person who has been inured in the collision. The vehicle span out and is facing the wrong way in the gutter of the busy carriage way. One lane of the busy trunk road remains coned off whilst emergency services deal with the incident. Further emergency service vehicle as now arriving at the scene.
Kent Police have been approached for comment.