A MOTORCYCLIST has been left with serious injuries in a motorway crash.
The casualty was taken to Southampton General Hospital after the 7.43am crash, police said.
The incident happened eastbound between Junction 10 and Junction 11 for Fareham.
Two lanes were closed.
The lanes have now been reopened.
Three-hour delays are heading back towards Junction 5.
Earlier an incident westbound left one lane blocked between Junction 12 for the M275 at Portsmouth and Junction 11 for Fareham.