---
title: Model Rail Networks in SUMO: Quick Beginner Guide
siteUrl: https://logzly.com/railmodelinsights
author: railmodelinsights (RailModel Insights)
date: 2026-08-10T09:44:43.987567
tags: [trafficsimulation, sumorail, transportation]
url: https://logzly.com/railmodelinsights/model-rail-networks-in-sumo-quick-beginner-guide
---


Struggling to get a train moving in SUMO? In the next few minutes you’ll learn **exactly how to turn an OpenStreetMap rail segment into a working SUMO network** and see a train chug along without writing a single line of XML by hand. Follow the step‑by‑step instructions below and you’ll have a functional rail line ready to experiment with.

## How to Model Rail Networks in SUMO – Avoid This Mistake  

When I first opened SUMO’s network editor I jumped straight into XML tutorials and complex plugins. The result? Hours of copying code that never matched my map data, and a blank screen that made me want to quit. The real issue isn’t the software—it’s trying to **run before you can walk**. Without a proper source file, SUMO has nothing to render, so you end up stuck in a loop of downloading, copying, and failing.

## Step 1: Grab a Small Rail Segment from OpenStreetMap  

1. Go to **OpenStreetMap.org** and search for a short railway line (e.g., a stretch of 2 km).  
2. Click **Export**, choose the **.osm** format, and save the file as `rail.osm`.  
3. Keep the area minimal; a simple straight track is perfect for a first test.

**Why this works:** A tiny, clean OSM extract eliminates unnecessary data that can confuse the importer.

## Step 2: Import the OSM File into SUMO’s NetEdit  

1. Open **netedit** (SUMO’s visual network editor).  
2. From the menu, select **File → Import → OpenStreetMap**.  
3. Browse to `rail.osm` and hit **Open**.  
4. NetEdit will automatically create a **.net.xml** network showing the rail geometry.

> **Pro tip:** Verify that the imported edges are labeled with `type="rail"`; if not, edit the edge type manually in NetEdit.

## Step 3: Add Simple Signals  

1. Right‑click on the track where a train should stop or start.  
2. Choose **Add → Signal** and place a signal at each end of the segment.  
3. Accept the default settings; you’ll refine them later.

**Result:** Signals give SUMO a reference point for speed limits and stopping behavior, which is essential for realistic rail simulation.

## Step 4: Generate a Basic Route File  

Open a terminal in the folder containing `rail.osm` and run:

```bash
duarouter \
  -n rail.net.xml \
  -t rail.taz.xml \
  -o rail.rou.xml \
  --ignore-errors
```

This command creates `rail.rou.xml`, a minimal route definition that tells a train how to travel from the first signal to the second.

## Step 5: Run the Simulation  

1. Launch **SUMO‑gui**.  
2. Load `rail.net.xml` as the network and `rail.rou.xml` as the route file.  
3. Press **Play**.  

You should see a small train icon appear at the first signal and move smoothly to the second. If the travel time matches the real‑world timetable you’re modeling, congratulations—you’ve built a functional rail network.

## What to Tweak Next  

- **Add stations** by inserting additional stop points in the route file.  
- **Adjust signal timings** in NetEdit to experiment with different headways.  
- **Import a larger OSM area** to expand your network once you’re comfortable with the basics.

**Bottom line:** By breaking the process into visual steps—import → edit → signal → route—you avoid the XML overwhelm and get results instantly.

If this guide helped you get a train moving, subscribe to the Everyday Engineer newsletter for more hands‑on tutorials, and share the post with fellow simulation enthusiasts. Happy modeling!