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).
Pubs can stay open until 2am to show some World Cup games
Bars in Jersey will be allowed to stay open until 2am to show some World Cup games.
International observers return to Jersey for upcoming election
International observers are back in Jersey to assess next month's election.
Jersey Parkrun celebrating 500th run!
It's a landmark day for Jersey Parkrun - it's number 500!
Jersey swimming star heading up 21-strong Commonwealth Games squad
Star swimmer Filip Nowacki is heading up a 21-strong Jersey squad at this summer's Commonwealth Games in Glasgow.
Student officers complete training on-island for the first time in a decade
Ten student police officers have formally finished 20 weeks of their initial training.
Man jailed for two serious assaults
A man who twice violently assaulted a woman in Jersey, before making threats to stop her from reporting it, has been jailed.
Legendary Blur bassist to headline opening night of Weekender
Legendary Blur bassist Alex James will headline the opening night of this year's Weekender Festival!
Former scout leader jailed for child abuse
A former scout leader has been jailed for 18 months after being found guilty of child abuse.
