Two citybound lanes have been closed, with only one open previous the crash web site.
All lanes have re-opened, however site visitors stays heavy.
Drivers are suggested to make use of the Sydney Harbour Tunnel as an alternative.
9News understands three automobiles have been concerned in a collision, however no person was injured.
Citybound site visitors is heavy approaching the bridge and tunnel on the Warringah Freeway, so folks must also permit loads of additional journey time.
Northbound lanes are open, however site visitors is heavy out of town as effectively.
Emergency providers are on the scene.
Source: www.9news.com.au