The chart above shows the kilometers of heavy rail subway track within each state. Over half the EU states have a heavy rail system.
- The difference between the state with the most kilometers of track, the United Kingdom, and the state with the least (that has a subway system), Denmark, is 503.5 kilometers.
- The United Kingdom has 25.68 times the kilometers of track that Denmark does.
- Italy has seven subway systems, France has six, the United Kingdom and Germany each have four, Spain has three, and the Netherlands has two, all other states have one.
- Data is from 2017.
- Greece is currently working on building a subway system for Thessaloniki.
- All figures are rounded to the nearest hundredth.
The United Kingdom accounts for just under one-fifth of all subway rail in the EU at 19.87%. It, with Spain make up over one-third the subway rail in the EU at 37.10%. Adding Germany into the mix accounts for over half the subway rail in the EU at 51.84%.
Italy's largest subway system by track length, the Milan Metro, at 101 kilometers makes up 45.03% of the total length of subway rail in the country. France's largest, the Paris Metro, at 214 kilometers makes up 61.13% of the total length of subway track in France. The United Kingdom's largest system, the London Underground, at 402 kilometers makes up 76.73% of the country's total. Germany's largest system, the Berlin U-Bahn, at 151.7 kilometers makes up 39.02% of Germany's total subway track. Spain's largest, the Madrid Metro, at 288.5 kilometers makes up 63.50% of its total. Finally, the Netherlands' largest system, the Rotterdam Metro, at 78.3 kilometers accounts for 65.52% of the total subway track in the Netherlands.
|Czech Republic||Prague||Prague Metro||65.2|
|United Kingdom||Glasgow||Glasgow Subway||10.4|
|United Kingdom||London||London Underground||402|
|United Kingdom||London||Docklands Light Railway||34|
|United Kingdom||Newcastle||Tyne and Wear Metro||77.5|
Wikipedia. 2019. "List of Metro Systems." Accessed February 24, 2019. https://en.wikipedia.org/wiki/List_of_metro_systems.