Traffic is queuing on the M3 northbound after two lanes were closed following an accident at junction 12 for the A335 to Eastleigh.
Congestion is back to junction 14, the M27 turn-off.
Lanes two and three have been closed since around 6.30am
M27 Hampshire - One lane blocked and slow traffic on M27 westbound between J9, A27 (Segensworth) and J8, A3024 (Bursledon).
Police have released the name of the motorcyclist who died in a collision on the M27 on Wednesday.
He was Robert Simmonds, 49-years-old, of Blackmoor Walk in Havant.
At around 6.40am, the Suzuki Bandit motorcycle he was riding was in collision with a high-sided skip lorry or similar at junction five on the westbound carriageway.
Mr Simmonds was pronounced dead at the scene.
His family have released a statement which said: "The family are devastated by this tragic news. Rob was an experienced motorcyclist and loved to live life to the full. He will be missed by everyone who knew him."
Police are continuing their appeal for information about the collision and would like to hear from anyone who witnessed it or saw any vehicle involved prior to it.
A HGV and motorbike crash on the M27 westbound yesterday morning (Wednesday, August 14), led to a the death of a man in his 40s. Police say he was from the Havant are and will not name him yet.
A 50-year-old man from Southampton who was arrested yesterday afternoon in connection with the collision has been released on bail pending further inquiries.
The investigation into the fatal crash on the M27 is underway. A motorcyclist was killed at around 6.40am this morning. Junctions five to seven of the M27 westbound is still currently closed and major delays are expected around Southampton. Richard Slee sends this report.
Roads Policing Unit can confirm that a driver of a waste truck has been contacted following the death of a motorcyclist on the M27 earlier today.
The man was arrested on suspicion of causing death by careless driving and failing to stop.
The Roads Policing Unit said: "Closing a motorway is not something we take lightly. We are fully aware of the impact to the public and local businesses and we try to update the community regularly as to when it will be re-opened."
The M27 eastbound is unusually quiet as junctions five to seven westbound on the motorway remain closed since this morning.
The motorway was shut after a motorcyclist was killed at around 6.40am by a lorry driver who drove off after the accident.