All roads around the Glenloch Interchange have reopened but traffic is moving slowly, after a single-vehicle crash just after 8am.
Emergency services attended the scene on Thursday morning and one person was taken to hospital.
Traffic was at a gridlock for several hours as the scene was cleared.
By 10am all roads had reopened but traffic continued to move slowly.
ACT Ambulance, ACT Fire & Rescue and ACT Policing were in attendance.