A 31-year-old man has been taken into custody north of Brisbane after allegedly stealing a car from Morayfield early this morning and causing a serious traffic crash.Emergency services were called to Victoria Lane and Archer Street at Woodford about 6:10am to a two-car crash.Paramedics assessed a 60-year-old Caboolture South woman who was driving the other car and said she was in a life-threatening condition. Police said the male driver of the allegedly stolen car fled the scene on foot.He was arrested about 8:30am at a nearby school, which police said went into lockdown.Police have closed the D'Aguilar Highway in both directions south of Margaret Street in Woodford.Diversions are in place via Archer St Service Road.Police have asked drivers to avoid the area if possible and expect delays.More to come.