Delays have cleared on major roads north and south of Brisbane and train services are back to normal after a nightmare commute.
Crashes on the M1, Pacific Motorway and Bruce Highway caused "huge" delays for people on the way to work on Wednesday but all had cleared by the end of the morning peak hour.
Trains on the Ferny Grove line were suspended throughout the morning and only resumed about 11.45am after a signal fault between Windsor and Wilston stations.
A shuttle train was running between Ferny Grove and Mitchelton, with buses making the rest of the journey to Bowen Hills.
Passengers told ABC Radio Brisbane of long delays waiting to board the buses at Mitchelton.
Commuters have been hit with delays on several fronts on Wednesday morning, with major road crashes causing problems north and south and trains suspended on one line.
Southbound lanes of the Bruce Highway at Burpengary reopened at 7am after hours of closure when six other vehicles crashed into a stolen car, damaging the road.
Police were still hunting the male driver.
But the road situation for commuters was even worse to the city's south, thanks to a series of crashes on major roads.
Australian Traffic Network reporter Olympia Kwitowski said two lanes of the Pacific Motorway were blocked inbound at Holland Park West after two crashes within 20 metres of each other.
That was compounded by "huge" delays on the M1 northbound from Loganholme, with delays stretching almost the entire way between the accidents, she said.
North of Brisbane, traffic was still slow back to Caboolture after the Bruce Highway crash, even after cars were towed at 6am and the road reopened following work to repair the damage.
A police spokeswoman said the driver of the stolen car fled the scene after abandoning their vehicle in the right southbound lane near the Burpengary weighbridge about 3.50am.
Six other vehicles then crashed into the abandoned car, which police said was stolen from Brisbane's south-west on Monday, and appeared to have further damaged an existing pothole.
Four ambulances attended the crash and transported two patients to hospital with minor injuries.
In more bad news for commuters, train services on the Ferny Grove line were cut between Bowen Hills and Mitchelton, causing hour-long delays.
The suspension was blamed on a signal fault between Windsor and Wilston.
A shuttle train was operating between Ferny Grove and Mitchelton, with buses completing the rest of the journey to the city.