The Bruce Highway will expand from six to eight lanes, just south of Caboolture, under a plan from the Department of Transport and Main Roads to deal with traffic congestion.
The department has released a preferred solution for an 18-kilometre stretch of the congested highway between Anzac Avenue at North Lakes and Caboolture-Bribie Island Road at Caboolture.
The Bruce Highway is plagued with congestion.
The preferred solution between Anzac Avenue and Uhlmann Road includes adding extra lanes northbound and southbound in the existing median, increasing capacity from three to four lanes in both directions.
It also includes multi-lane roads on both sides of the highway between Uhlmann Road and Caboolture-Bribie Island Road to separate shorter trips from traffic on the main highway.
The department will discuss the impacts of its plan with nearby landowners and has public consultation open until September.