The M50 in Worcestershire/Gloucestershire is closed westbound between J1 (near Tewkesbury) and J2 (near Ledbury), due to a serious collision involving 2 vehicles.
The incident has occurred near the village of Pendock.
Initially, all emergency services attended the incident which occurred shortly after midnight.
Traffic was also held on the eastbound carriageway to enable Air Ambulance to land and attend the scene.
West Mercia Police remain on scene along with National Highways Traffic Officers.
Police have confirmed that collision investigation work will be carried out.
Therefore, the closure is expected to be in place for a considerable time today.
Hereford gears up for a poptastic Christmas Lights Switch-On featuring local acts
Pizza Hut Hereford to close permanently
Revealed: The main roads in Herefordshire prioritised for repairs
Appeal to find missing Monmouthshire man
Man arrested in connection with stabbing incident
New Food and Drink group launched at online event