Queensland Rail has reopened the train line north of Bundaberg, allowing freight and passengers trains to travel between Brisbane and Cairns.
Parts of the track washed away in the wake of ex-tropical cyclone Oswald.
QR is warning of delays while crews repair overhead power lines and track signals.
Two flood-damaged level crossings at North Bundaberg will be manually operated until repairs are finalised.
There are still disruptions to the Rockhampton Tilt Train service.
© ABC 2013
14:00 EDT Scorching temperatures and hot, gusty winds have prompted severe fire warnings and a total fire ban for parts of New South Wales.