HIGHBALL.EU Independent railway projects

The green light of the signal

Railways, signals & ideas.

A collection of maps, railway stories, simulations and tools for curious minds.

Explore the projects

Made for the journey

Explore the projects

Railway history, hands-on puzzles and practical tools—follow whichever track interests you.

Maps & history

Historical map of Hungarian Railways

Explore the map

Puzzles

Inglenook Sidings railway puzzle

Play the puzzle

Railway signalling · Hungary

History of Hungarian railway signalling

Railway signalling · Austria

History of Austrian railway signalling

In Hungarian

Modell Railway knowledge base

Visit the knowledge base

Experiment & learn

Neural Network Playground

Open the playground

Simulation

Signal Box Simulation

Enter the signal box

For model railway builders

Model Railway Calculator