railroader

The railroader module is the main game scripting API — everything mods use to read and control game state. Unlike the Globals, it is not auto-imported; scripts pull in only what they need:

from railroader import world, ui, CarEnd

What it exports

Export	Kind	Description
world	singleton	Game world: cars, track, switches, signals, time, camera
ui	singleton	Extend the game’s UI: panels, windows, commands, style properties
Car	class	Rolling stock. BaseLocomotive extends it with locomotive controls
Location	class	A position on the track network
Ops	class	Freight operations: industry testing, interchanges, waybills
Waybill	class	A car’s current freight assignment
Component	class	Definition component proxy (RendererGroupComponent, DecalComponent extend it)
Material	class	Imperative material API reached via component.material
Industry	class	An industry and its sub-components (IndustryComponent)
PassengerStop	class	Passenger stop operations
CarEnd	enum	F, R, A, B — used by Car coupling/location methods
CarEvent	enum	Events for car.observe()
WindowPosition	enum	Used by Windows placement
MaterialConfiguration	enum	Used by material.configure()