Sea & Air Routes

Sea and air routes use the same route and transport agent system, but draw simpler route lines instead of rail prefabs.

Harbor Routes

Use storage-only harbor nodes for sea transfer.

Recommended setup:

• node kind: Harbor
• operation mode: Storage Only
• route transport mode: Sea
• cargo visual mode: Attach To Root or None

Two-stop looped sea routes draw an oval route line with half-circle turns near the ports.

Airport Routes

Use storage-only airport nodes for air transfer.

Recommended setup:

• node kind: Airport
• operation mode: Storage Only
• route transport mode: Air
• cargo visual mode: Attach To Root or None

Air routes use arced movement and route lines. Use Air Flight Height on the route to control the height of the flight arc.

Connection Points Per Transport Mode

The same node can have multiple CargoRailConnectionPoint objects:

• rail points for trains
• sea points for ships
• air points for planes

Set each point's Transport Mode correctly so each route type uses the correct start and end positions.

Transfer Node Pattern

Harbors and airports usually work best as storage-only transfer nodes:

Train delivers cargo to Harbor
Ship carries cargo to another Harbor
Train collects cargo from Harbor

The same pattern works for airports.