

More interconnections to the highway otherwise Hamilton district will get clogged with transitive traffic.
To reduce the amount of cars inside the city add walking paths everywhere
It looks like Hamilton and Chester districts are connected via highways, those don’t have footpaths so anyone wanting to get between them will use a car.
Cheat mode: if you have the parks DLC you can charge money for people to use said footpaths if you stick the foot paths into a park district.
You can see the mountain range that borders 2 countries? Stop the fucking presses.