how to do multi transport?

[kikopb]

Hello, I'm looking to do multi transport, but I don't know if it's possible.
I'm looking to take gas from the truck to the port
From the port, by ship, take to the destination port and from there another truck to the final destination (gas station).
But when I create the route the original truck does not carry anything.

[Vladki]

The transfer stations must have both a truck loading bay and a ship port, and must accept goods. Also there will be no goods loaded until all hops of route have some suitable vehicles on the way. A save would be helpful to show where is the chain broken

[Andarix]

in the german wiki exists this site

Build stations

[Lieven]

Also make sure that the boat load tile ant the truck load tile belongs to the same station.