Devs of cities seriously need to read this, the implement of industries DLC is a huge step for this game but i feel that it wasn't implemented properly, players should be able to control how import and export of goods and raw material works,
Trains/aiport/cargo ship hub should be allowed to control goods and raw material separately to be exported/imported at the hands of the player, Players should be allowed to strategically place train/airport hub to distribute the goods or raw material to the city so that they dont clog up the traffic. Special industry or special goods shouldn't be able to import raw material from outside the city without permission when next to it is a raw material producer that is complaining not enough customer for their raw material.
Trains/aiport/cargo ship hub should be allowed to control goods and raw material separately to be exported/imported at the hands of the player, Players should be allowed to strategically place train/airport hub to distribute the goods or raw material to the city so that they dont clog up the traffic. Special industry or special goods shouldn't be able to import raw material from outside the city without permission when next to it is a raw material producer that is complaining not enough customer for their raw material.