Among these, 317 were on Hong Kong Island with 40 CCTV cameras in use for traffic surveillance, 524 were on Kowloon with 60 CCTV cameras.

• 港岛区有317个这类路口，并有40部闭路电视摄影机； 九龙区有524个这类路口，并设有60部闭路电视摄影机；