Two crashes on Bruce Highway north of Brisbane cause traffic chaos on Friday morning TWO separate crashes on the Bruce Highway were causing traffic chaos in Brisbane's north this morning. A crash between a cement truck and a car near the Bray's Road overpass about 10.40am has forced the closure of a northbound lane at Murrumba Downs. A Queensland Police spokeswoman said traffic was currently heavily congested in both directions and heavy delays were expected. An emergency services spokeswoman said a woman from the car needed to be freed by fire crews and was being treated for minor injuries. Meanwhile a multi-vehicle crash near the twin BP's in the southbound lane of Bruce Highway in Burpengary was affecting both lanes of traffic. The right southbound lane was currently closed.