A group of visually impaired people and their carers were injured in a collision between a minibus and a truck in Corrimal yesterday.
Police, paramedics and Fire and Rescue NSW crews were called to the intersection of Short Street and the Princes Highway about 11am, after reports of a crash.
Illawarra Ambulance district officer Terry Morrow said paramedics treated 12 people at the scene, with three of those suffering serious injuries.
Mr Morrow said the bus passengers were people with visual impairments and their carers, headed to a Christmas function at a nearby community centre.
Fire and Rescue NSW inspector Brendan Cox said 10 bus passengers walked free from the vehicle.
Two people had to be cut from the wreckage.
A rescue crew from Bulli used a hydraulic spreader and hydraulic shears to remove the back door of the bus so paramedics could reach the patients.
Mr Morrow said two people - a man suffering a suspected fractured nose and a woman with possible rib fractures - were taken to Wollongong Hospital.
A third person, a man in his 60s, suffered a suspected fractured skull and major face and scalp lacerations in the crash.
He was flown to a Sydney hospital by an ambulance rescue helicopter just before 1pm.