come up with the solution to this problem?

Question

there are too many people in cairo that traffic is gridlocked everyday.

Answer 1

Start assessing tolls on the roads leading to major congestion points.

Answer 2

grow grow grow
thats what every country screams untill we are all packed in like sardines or the earth packs it in .
what do you do. nothing you can do.
and the problem will only get worse.

Answer 3

build more roads and expand the city limit

(best answer?)