Traffic is heavy in the Corrimal area on Thursday morning following a two-vehicle crash on Memorial Drive.
The crash occurred about 8.40am in the southbound lanes, near Railway Street.
Paramedics assessed three people for minor injuries at the scene and took one person to hospital.
Memorial Drive's southbound lanes were closed for some time while the scene was cleared, but have since reopened.
However, the Transport Management Centre reports that traffic remains heavy in the area.