North Yorkshire Police said officers are at the scene of a crash involving a car and a motorcycle, at junction 47 of the A1(M) and A59 - Allerton Park - on the bridge over the motorway.
A force spokesperson said the road is likely to be closed for some time, and traffic will be extremely heavy.
Road users are advised by police to avoid the area and seek alternative routes.
Traffic is said to be slowing westbound as it passes the scene.
National Highways is reporting that lanes are closed at the A1M northbound at junction 47 the event is expected to clear mid-morning today (July 9).
The Press will bring more information as we get it.
YOU’LL FIND MORE ON THIS STORY AND OTHERS AT www.yorkpress.co.uk OR PICK UP YOUR COPY OF THE NEWSPAPER ITSELF AVAILABLE SIX DAYS A WEEK AT YOUR LOCAL NEWSAGENT
Where to Watch Bonfire Night Fireworks Across York in 2025
The Brand New Heavies Announce York Barbican Show for March 2026
Extra Show Added for The Next Step at York Barbican After Sell-Out Success
Mayor Skaith's 10-year plan for York and North Yorkshire
The first headline act has been announced for the Live at York Museum Gardens concert series in 2026.
Yorkshire Carer Speaks Out on Being Underpaid
Adult stuck in baby swing in popular York park
MORE than 10,000 people will be pounding the pavements when they take on the Altra Yorkshire Marathon 2025 this weekend
