A car has flipped on St Saviour's Hill, closing the road.
Police are assessing two other vehicles at the scene of the incident.
It is unknown if there have been any major injuries.
Islanders are unable to use the road from the bottom of St Saviour's Hill, until further notice.
The incident is believed to have happened at around 2:00 pm on Friday (13 December).
Busy Bees nursery at Jersey Leeward to close
A Busy Bees nursery is to close later this month.
Haut du Mont trial: 'Procedures, instructions, and safeguards were ignored'
The fatal explosion at Haut du Mont happened because people who knew exactly what they were required to do chose not to do it, a court has heard.
Jersey Police raids in drugs and domestic abuse crackdown
More than 30 Jersey police officers have been carrying out early-morning raids, targeting those involved in serious crime include drugs and domestic abuse.
Haut du Mont trial: Island Energy had 'toxic culture' leading up to explosion
Island Energy had a 'toxic culture' in the lead up to the fatal Haut du Mont explosion, a court has heard as defence lawyers for three former employees asked the jury to find their clients not guilty of causing the deaths of ten people.
Survey reveals islanders’ concerns over misogyny and body image
A new survey has revealed islanders' attitudes to body image, masculinity and misogyny.
Man allegedly attacked after separate 'physical confrontation'
Jersey Police are looking for three people after an altercation allegedly led to a man being punched several times in the face.
Haut du Mont trial: 'Risk' taken not to do pressure test 'utterly reprehensible'
The 'risk' taken by three former gas workers to not do a pressure test before reintroducing gas to the network around Haut du Mont, in the hours before the fatal explosion, has been called 'utterly reprehensible'.
Make your mark at town gallery
You can Make Your Mark at Capital House this week.
