Four vehicles collided on the Kowloon-bound side of Tsing Ma Bridge at 7.56am on 14 October. They were two private cars, a taxi and a shuttle bus.
Five people were reported injured or unwell. Two injured people were taken to Princess Margaret Hospital for treatment.
Rescue personnel went to the scene after a report that people were trapped, but found nobody trapped. The cause remained under investigation.
The Transport Department announced the closure of some Kowloon-bound lanes. Traffic was heavy, and drivers could use the remaining lanes.