The site has now been cleared following a major accident on Narellan Road on Friday morning.
A truck and car collided on the road at about 7am near the Hume Highway turnoff.
Eastbound traffic remains affected.
Motorists heading in that direction should expect delays and exercise caution.
There are major delays on Narellan Road following a truck and car accident on Friday morning.
The accident occurred at about 7am near the Hume Highway turnoff.
More than an hour later, there are still heavy traffic conditions on Narellan Road.
Two eastbound lanes are closed to traffic.
Emergency services and RMS personnel are at the scene.
Motorists should expect delays and exercise caution on Narellan Road on Friday morning.
CAMPBELLTOWN: 2 of 4 eastbound lanes on Narellan Rd approaching Hume Mwy are closed due to a car and truck crash. Traffic's heavy so allow extra travel time.— Live Traffic Sydney (@LiveTrafficSyd) March 1, 2018