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Central knowledge hub

Model Railway Guide | Knowledge & Planning

Your comprehensive starting point for the world of model railways: from the first starter set through gauges, track, eras and railway companies to digital command stations, decoders, interfaces, maintenance, layout construction and suitable product categories.

Your fastest route to the right decision

Topic entry points
100+
Track worlds
29
Digital guides
40+

From an idea to a layout

Which guide should you read first?

Building a model railway becomes considerably easier when decisions are made in the right order. Begin with the available space, the intended project and the gauge. Then choose the electrical system, control method, track, era, vehicles and scenery. This main page brings the most important topics together and leads directly from the overview to the appropriate detailed guide.

Anyone starting from scratch should begin with the beginner guide. Modellers who already own vehicles should check the gauge, electrical system and compatibility. Anyone building a layout can go directly to track systems, curves, railway construction and calculators. For modern functions, the digital and decoder guides explain command stations, protocols, interfaces and specific installation questions.

The best order

  • Space: check the room, layout depth, accessibility and planned layout shape
  • Gauge: choose Z, N, TT, H0, narrow gauge, Gauge 1 or G gauge
  • System: decide between analogue or digital control and two-rail or centre-contact operation
  • Track: plan the roadbed, radii, turnouts and future extensions
  • Prototype: coordinate the era, railway company and train formations
  • Product range: add compatible vehicles, track, decoders and scenery
Start

Model Railways for Beginners

Basic equipment, starter sets, space requirements, first track sections and common beginner mistakes explained clearly.

Open the beginner path →
Gauge selection

Compare Model Railway Gauges

Assess scale, model track gauge, radii, visual detail and space requirements from Z gauge to garden railways.

Select a gauge →
Control

Analogue or Digital?

Clearly distinguish controllers, digital command stations, decoders, locomotive addresses, functions and expandability.

Choose a control system →
H0

H0 AC or H0 DC?

Correctly identify centre-contact track, two-rail systems, pickup shoes, wheelsets and locomotive versions before purchasing.

Check the H0 system →

Choose by goal, not by technical term

The guide compass for every project phase

Choose the entry point that matches your current situation. Beginners, returning modellers, layout builders, digital converters, collectors and troubleshooters can all go directly to the relevant topic area.

Technology

I am digitising or troubleshooting

Digital command stations, decoders, interfaces, protocols and common installation problems are brought together here.

New: comprehensive track navigation

TrackAtlas 29 and all the key track systems

TrackAtlas brings track systems together by manufacturer, gauge, roadbed and application. Anyone who wants to get started quickly can choose a track set. Anyone building a permanent layout should check curve radii, turnouts, rail profile height, roadbed and expandability.

Overview

TrackAtlas 29

All track landing pages in one comprehensive overview with manufacturer links, gauges and clear selection guidance.

Open TrackAtlas →
H0 Centre contact

Märklin H0 C Track

Centre-contact track with roadbed for rapid assembly, starter sets and permanently expandable H0 layouts.

View C Track →
H0 DC Roadbed

Trix H0 C Track

Two-rail C Track with a stable roadbed for layouts designed for convenient assembly and expansion.

Open Trix C Track →
N gauge UNITRACK

Kato N Gauge UNITRACK

N-gauge track with integrated roadbed, a precise clip-together connection and excellent suitability for modular layouts.

Open Kato UNITRACK →

Scale, space and visual impact

Understand gauges from Z to garden railways

Gauge determines space requirements, train length, visible detail, ease of handling and the available product range. Smaller gauges allow more railway in a limited area, while larger scales have greater presence. Narrow gauges such as H0e, H0m and H0f are especially appealing for light, mountain, field and industrial railways.

Comparison of model railway gauges, scales, strengths and relevant guides
Gauge Typical scale Particular strength Relevant guide
Z 1:220 Exceptionally space-saving, with long routes in miniature form. Open Z gauge
N 1:160 Long trains and large stations within a limited area. Open N gauge
TT 1:120 A strong compromise between compact dimensions and visible detail. Open TT gauge
H0 1:87 An exceptionally wide selection of vehicles, track and accessories. Open H0 gauge
H0 AC 1:87 Centre-contact system for Märklin-compatible H0 layouts. Open H0 AC
H0 DC 1:87 Two-rail system used by many international H0 models. Open H0 DC
H0e / H0m / H0f 1:87 Narrow-gauge, metre-gauge, field and industrial railway subjects.
0 / 1 / G 1:45 to approximately 1:22.5 Large models with a strong visual impact for shunting and garden railway themes.

Command stations, decoders and interfaces

Choose digital model railway technology with confidence

Digital operation brings independent locomotive control, lighting, sound, shunting functions, turnout control and feedback to the layout. The command station, decoder, protocol, interface, speaker and power system must all be compatible.

Digital

Digital Model Railways

The comprehensive overview of command stations, decoders, feedback, smartphone control and future expansion.

Open the digital world →
Command station

Compare Digital Command Stations

Understand systems from Märklin, Roco, PIKO, Uhlenbrock, Lenz, ZIMO, Massoth and other manufacturers.

Compare command stations →
Decoder

Model Railway Decoder Guide

Locomotive decoders, sound decoders, function decoders, interfaces, programming and troubleshooting.

Open decoder guidance →
Interface

Compare Decoder Interfaces

Compare 8-pin, 6-pin, Next18, PluX16, PluX22, 21MTC, NEM 651, NEM 652 and SUSI connections.

Open interface comparison →

Time period, country and train formation

Eras and railway companies as a consistent theme

A believable layout emerges when vehicles, buildings, signals, road vehicles, scenery and lettering belong to the same period. Eras and railway companies help turn individual models into a coherent railway world.

Railway world

Railway Companies

DB, DR, DRG, SBB, ÖBB, RhB, SNCF, FS, RENFE, PKP, ČD, ODEG, VTG and many more.

Explore railway worlds →
Era VI

Modern Railway Companies

RegioJet, Railpool, TX Logistik, RailAdventure, FlixTrain, TRI and Metrans as contemporary railway themes.

Explore modern railways →
Collecting

Collector Themes

Beer wagons, special editions, branded designs, era context and coherent presentation at a glance.

Explore collector themes →

Connect the right product ranges

Suitable product categories for each guide

After reading the guidance, the next step should be simple: vehicles, track, digital technology, decoders, scenery, buildings, accessories and starter sets are linked according to the relevant project task.

Vehicles

Trains and Vehicles

Locomotives, coaches and wagons, multiple units, train sets and starter sets by gauge, era and railway world.

Open category →

Track construction

Track Construction

Track, turnouts, crossings, track sets, electrical connections and accessories for your track plan.

Open category →

Digital technology

Digitising Model Railways

Decoders, command stations, interfaces, sound, lighting functions and conversion services.

Open digital guidance →

Scenery

Layout Design

Scenery, buildings, roads, figures, railway structures and scenes for a coherent layout.

Open category →

Step by step

How the guide develops into a complete project

Define the available space and goal

First determine the base area, layout format and desired train length.

Important: always include layout depth, access and maintenance in the plan.

Choose the gauge and system

Decide on the gauge, two-rail or centre-contact system and analogue or digital control before purchasing vehicles.

Check the track system

Compare roadbed, radii, turnouts, flexible track, connection options and future extensions.

Build a coherent prototype world

Combine the era, region, railway company, train formations, buildings and road scenes appropriately.

Test the technology thoroughly

Test track, power feeds, turnouts, decoders, the digital command station and trial operation before building the scenery.

Add scenery and operation

Permanently install scenery, buildings, lighting and details only after reliable train operation has been established.

Plan access before closing concealed areas

Storage yards, tunnels, wiring, turnout drives and decoder connections must remain accessible for testing, cleaning and maintenance. Reliable operation should always be established before permanent scenery is installed.

Frequently asked questions

Answers about selecting and planning a model railway

Which guide should a beginner read first?

The best starting point is Model Railways for Beginners . Continue with the gauge comparison, Analogue or Digital and, for H0, the choice between centre-contact and two-rail systems.

Which gauge is suitable when space is limited?

Z and N gauges provide especially long routes within a small area. TT is a good middle ground. H0 works particularly well as a shunting, branch-line or modular project when space is limited.

What is the difference between track with and without roadbed?

Track with roadbed can be laid quickly and securely. Track without roadbed provides greater freedom when designing the ballast profile, trackbed height and prototypical scenery.

When is digital operation worthwhile?

Digital operation is especially worthwhile when several locomotives need to be controlled independently, lighting and sound functions are required or turnouts and feedback systems will be added later.

Which decoder is suitable for my locomotive?

The decisive factors are the gauge, decoder interface, existing motor, installation space, desired functions, sound requirements and the protocol supported by the digital command station.

What should I check before purchasing a vehicle?

Check the gauge, electrical system, digital equipment, minimum radius, coupling, wheelsets, era and railway company. This helps prevent incompatible purchases.

Can different railway companies be combined?

Yes, particularly at border stations and in international passenger and freight trains. A matching era, plausible route and coherent vehicle formation are important.

When should the scenery be constructed?

Begin permanent scenery work only when the track plan, turnouts, wiring, digital technology and trial operation work reliably. Concealed areas must remain permanently accessible.

From the first question to a complete model railway world

Use this main page as your starting point and move from here to gauges, track, digital technology, eras, railway companies, manufacturers, product categories and specific products.

Open the main guide