Updated at 5.18pm: Traffic at the Cross-Harbour Tunnel was generally normal during Thursday?s morning rush hour, a Transport Department spokesman said.
Thursday is the third working day after the controversial Eastern Harbour Crossing toll increase on Sunday.
The spokesman said 600 more vehicles used the Cross-Harbour Tunnel between 6am and 9am on Thursday ? up four per cent ? compared with a normal Thursday for the same period.
The Western Harbour Crossing also recorded a four per cent increase of 2,100 vehicles for the period.
But 2,100 fewer vehicles used the Eastern Harbour Crossing on Thursday. It was a 19 per cent drop compared with a normal Thursday during this period, the spokesman said.
He said the department was continuing to monitor the cross-harbour traffic and liaise with police, bus companies and tunnel companies.