A27 Eastbound blocked, delays due to accident, a lorry and a car involved and recovery work between A259 Havant Road (Emsworth) and A259 (Fishbourne Roundabout, Chichester).
Shoreham residents have come together to light up a bridge through the town, in tribute to the victims of last weekend's airshow disaster.
The candle-lit vigil was arranged by organisers of the Shoreham's River Fest event on the Adur Ferry Bridge.
It brought to an end an emotional day of memorial events, one week on from the crash on the A27. Emma Wilkinson was at the vigil:
The part of the A27 that was closed after an aircraft crashed onto the carriageway during the Shoreham Airshow has been partially reopened.
Two lanes are open on the eastbound carriageway heading towards Brighton. One lane has been reopened on the westbound carriageway. The other lane of the westbound carriageway remains shut for police investigation work to continue on the verge of the road.
Sussex Police say the westbound entry slip road at the Adur flyover, from the A283, also remains closed.
A 40mph speed limit is in place and the traffic lights at the Sussex Pad junction, which were damaged in the aircraft crash have been removed.
The A27 remains closed to pedestrians, equestrians and cyclists, and the bus stop on the westbound carriageway cannot be used.
Regarding access to Coombes Road / Lancing College and Sussex Pad -access is for residents only and will be under police control.
HGV drivers wanting to reach the airport or businesses via Old Shoreham Road must make an arrangement in advance with the airport and the police.
Members of the public can access the airport using the A283 and the A259, but there is a maximum vehicle height limit of 2.1 metres.
Memorial events have been taking place this weekend to remember the eleven people killed and others who were injured, when the aircraft crashed onto the A27 on Saturday 22 August.
The A27 near Shoreham, West Sussex, where a vintage Hawker Hunter jet crashed last Saturday, killing 11 people, has partially reopened for the first time since the disaster.
Two lanes have been opened on the eastbound carriageway towards Brighton, along with one lane on the westbound carriageway, Sussex Police said.
The other westbound lane remains closed while investigators continue to work on the verge. A 40mph speed limit has been imposed, police added.
The partial reopening comes a day after thousands of people from communities touched by the crash gathered at memorial events.
Hundreds of people have placed candles to create a "bridge of light" spanning the centre of Shoreham in memory of the victims of last week's air crash.
A series of events have taken place throughout the day, as ITV News correspondent Martha Fairlie reports.
A minute's silence was observed at 1.20pm, the time last Saturday when the vintage Hawker Hunter jet crashed on the busy A27 in West Sussex, and a mass balloon release was held in Littlehampton.
The disaster happened as the 1950s plane failed to pull out of a loop-the-loop stunt during the Shoreham Airshow before crashing, exploding into a fireball
Players at Shoreham Football Club held a minute's silence before their match against Horley Town FC today in memory of the victims of the Shoreham air crash.
Five hundred pounds is also being donated to the fund set up in memory of the two Worthing United FC footballers, Matt Grimstone and Jacob Schilt, who died in the disaster.
Crowds have been gathering at the Adur Ferry Bridge to pay tribute to the victims of the Shoreham air crash. The event was added to the Shoreham River Festival taking place this week.
Thousands of people observed a minute's silence today just after 1.20pm, exactly a week after a Hawker Hunter jet performing at the Shoreham Airshow crashed on the A27 in Sussex - causing the deaths of 11 people.
Local residents joined the families and friends of the victims, along with members of the emergency services, on the wooden bridge which has become a shrine of floral tributes to those who died. Richard Slee reports.
Other tributes have taken place today to remember all the victims of the air crash, including a balloon release by the friends of personal trainer Matt Jones at Littlehampton.
There was also a minute's silence at Shoreham FC ahead of a match, in memory of Worthing United FC players Matthew Grimstone and Jacob Schilt and the other people who lost their lives.
A crowd gathered for a balloon release in Littlehampton in Sussex in memory of personal trainer Matt Jones. The 24-year old died in the Shoreham air crash last week Saturday.
The friends of 24-year-old Matt Jones, who was one of the victim's of the Shoreham air crash, have paid tribute to him by releasing balloons at Littlehampton in Sussex. Stevie Johnson, said she had known him for more than a decade. She was involved in preparing the memorial event.