Signaling and Logic in Railcraft

To manage complex rail networks, Railcraft provides a wireless signaling system. This allows for automated traffic control, preventing trains from colliding on shared tracks.

Signal Components

• Block Signal: Monitors a section of track (a "block"). If a cart is in the block, the signal turns Red, stopping other incoming trains.
• Distant Signal: Placed further down the line to warn a locomotive of the state of the next Block Signal.
• Signal Controller & Receiver Boxes: These blocks allow signals to interact with redstone logic wirelessly.
• Signal Tuner & Surveyor: Tools used to pair signals together. The Surveyor defines the start and end of a signal block, while the Tuner pairs controllers to receivers.

Signal Aspects

• Green: All clear; no carts in the block.
• Yellow: A cart is in the block but moving away from the signal.
• Red: A cart is in the block and either stationary or moving toward the signal.