Motorists in Sydney's south-west are advised to avoid Newbridge Road at Chipping Norton after a car crashed into a power pole in the early hours of Saturday morning.
Emergency services were called to the scene about 4am and closed part of the road while a clean up operation commenced. The head-on collison brought down hazardous electrical wires.
The driver of the car has not been accounted for. Police say they visited the address of the owner of the car but no one was home.
Police say the driver may have suffered minor injuries following the crash.
Traffic diversions remain in place as utility crews continue to repair the power pole and wires. Two of the three east-bound lanes are closed, but traffic is moving steadily. Emergency services expect the partial road closure to reopen after lunch time.
Police are urging anyone with information in relation to this incident to call Crime Stoppers on 1800 333 000.
The investigation continues.