Traffic seems to be easing on the routes surrounding the Liberty Stadium.
Cars queuing in both directions
There is congestion as far back as Neath Road, with cars queuing back to Bridge Street.
There are also queues on the A4217 and in both directions on Nantong Way.
Another crash on M4
One lane is closed on the M4 after a lorry crashed through a barrier and is now on the eastbound side at junction 45.
Traffic is heavy
Traffic on routes leading into Morfa Shopping Park appears to be very heavy.
'Patient taken to hospital'
A spokesman for the Welsh Ambulance Service said: “We received a call at 4.50pm and attended the scene.
“We sent one full crew and three rapid response vehicles.
“We have taken one patient in an ambulance to Morriston Hospital.”
A4067 closed in both directions
The A4067 has been closed in both directions.
Traffic is moving slowly between the A4217 in Landore and the A4067 at Plasmarl roundabout.
Alternative routes congested
Motorists attempting to take alternative routes to avoid the crash may face some heavy traffic.
Traffic building in the area
The incident is affecting rush hour traffic this evening, with the majority of routes surrounding the stadium all appearing to be congested.
Emergency services at the scene
Emergency services have been called to the scene directly outside the Liberty Stadium on the A4067.
'Avoid the area'
A spokesman for South Wales Police said: “Emergency services have been called to a road traffic collision on the A4067 near the Liberty Stadium in Swansea.
“We were called at 4.55pm on Thursday, December 19. The incident is on going.
“Motorists are advised to avoid the area.”
'Pedestrian trapped under vehicle'
A spokeswoman for Mid and West Wales Fire and Rescue Service said: “We received a call at 4.59pm.
“Two fire crews from Swansea central and Pontardawe are in attendance.
“A pedestrian was trapped under a vehicle. The casualty has been released by fire crews using spreaders and high pressure air bags.
“We are now assisting ambulance crews in stabilising the casualty.”