BRISBANE traffic has been rated the most stressful in the country as a result of poor planning, aggressive drivers and an over-reliance on private cars.
An IBM study of 1556 drivers found 90 per cent of Brisbane motorists felt increasingly stressed by traffic compared with 81 per cent in Adelaide, 78 per cent in Melbourne and 74 per cent in Sydney.
Worldwide, the cities assessed as having the most painful commute, when combined with other factors, were Beijing and Mexico City, followed by Johannesburg, Moscow and New Delhi.
Brisbane ranked 13th, behind Sydney in 10th place.
IBM’s Smarter Transportation Industry expert John Hawkins said Brisbane drivers were in a “very stressed environment”.
"You’ve only got a few main arterials and you’ve got the Port of Brisbane and the airport located off one of them," Mr Hawkins said.