How to stop imports in industries?

[big tony]

No matter how much oil rigs I have, I still have an army of trucks bringing oil to my storage which destroys profit. This also happens with all of the other industries (Ore, Crops). I just don't understand why they import when theres tons of production already

[wilky]

You don't have enough storage buildings / warehouses.

How many do you have? Like one of each type? Check them; they are probably maxed on their delivery trucks. If no delivery trucks are available when a building demands goods, then that building will import instead. So you typically need multiple of each type of storage building and warehouse. The important thing to watch is not the storage capacity but the # of delivery trucks.

Also, if you want to help your traffic out, spread your multiple storage buildings / warehouses out also. Don't put a bunch right on top of one another. That's a good way to cause a traffic jam.

Also another easy tip you can do is set your Industries budget to 101%. (I assume you just have it set at 100% right now?) By paying 1% extra, all of your industry buildings will gain +1 delivery truck because the game always seems to round up... so this is a pretty nice/efficient little gain.

[Hinkel]

Do storage buildings / warehouses also automatically import goods aswell? Or they just store the own production?

[WhiteKnight77]

If you do not have enough storage, buildings, say silos, you will import. For 2 small crop fields, you need 3-4 small silos, and possibly more. As your industry levels up, your extractors produce more, meaning you need even more storage.

This will help understand your needs.

https://steamcommunity.com/sharedfiles/filedetails/?id=1550292479&searchtext=production

[M.S.Referee]

Just use this mod and set them to 0%
https://steamcommunity.com/sharedfiles/filedetails/?id=2053500739&searchtext=

[Geronimo]

Not sure about the IND. Dlc, but I've noticed that in some cases as soon as you plop something it triggers sims wanting to use it.

For example, I was trying to figure out why I was having so much traffic all of a sudden backing up on highway, and upon checking individual vehicle destinations I realized that many were tourists on their way to visit an attraction I had plopped.
After removing that building the traffic cleared up immediately.

Since then I have seen similar situations, where placing a parking building would attract traffic trying to get to it. When deleted, traffic subsides.

Could this be the issue behind warehouses?

Are they simply attracting vehicles to them irregardless of import/export statistics?

[MarkJohnson]

Originally posted by Geronimo:

Not sure about the IND. Dlc, but I've noticed that in some cases as soon as you plop something it triggers sims wanting to use it.

The whole game works this way. Any building you plop or zone will either provide cims or demand cims. You goal is to balance this demand. preferable with distrct balancing. hence the built-in district tool.

Could this be the issue behind warehouses?

Are they simply attracting vehicles to them irregardless of import/export statistics?

To a point, yes. A warehouse has three states. Empty, Balanced. or Full. The game will import or export depending the state of the warehouse.

If your industry can't keep up with filling warehouses locally, it will import them.

Just remember, there is a limit on everything in this game. If you reach a vehicle limit in this freight system, then it will have issues. i.e. If you can't produce enough local oil for your districts needs, it will then import oil.