The thing that would solve Gympie Road congestion is a train line that goes along Gympie Road and goes from Carseldine to South Bank, if this could be done with a tunnel, I think it would work out great. I loathe driving on Gympie Rd because of how much traffic it carries. Also, no “Road” should be the centre of a city, cities should be made of streets that create more wealth by slowing speeds.
Yes, it is easily one of my least favourite parts of Brisbane. The new bus lanes are good but so long as the buses only operate on limited timetables, they won’t be good enough to reduce the traffic load. I agree about the east-west connection, there is currently no way other than car and maybe a few bus lines to move in that direction on the Northside, the first connection for the Northern lines is Bowen Hills station which might as well be a downtown