Accident on Southern Cross Way closes southbound lanes, expect heavy delays A SINGLE vehicle accident has caused heavy traffic delays on the Southern Cross Way at the Toombul road exit, Northgate. The accident has closed southbound lanes after a 40-year-old male driver veered off the road and became entrapped in his vehicle. The man was freed from his car with minor injuries and transported to the Royal Brisbane Hospital. Southbound traffic is being diverted onto Nudgee Road and commuters should expect lengthy delays.