No, I don't think just making public transport free will solve traffic problems. People often prefer the comfort of their own cars, and if the public transport isn't good enough, they won't use it even if it's free.
不,我不認為僅僅讓公共交通免費就能解決交通問題。人們通常更喜歡自己的汽車舒適,如果公共交通不夠好,即使是免費的他們也不會使用。