![Simon Kuestenmacher on Twitter: "Map shows the busiest metro systems in Europe colour-coded depending on whether the lines are named by numbers, letters or names. Source: https://t.co/tkrJcmfN2F https://t.co/Fsvgqy86SX" / Twitter Simon Kuestenmacher on Twitter: "Map shows the busiest metro systems in Europe colour-coded depending on whether the lines are named by numbers, letters or names. Source: https://t.co/tkrJcmfN2F https://t.co/Fsvgqy86SX" / Twitter](https://pbs.twimg.com/media/DOsKHsIXkAAheOR.jpg)
Simon Kuestenmacher on Twitter: "Map shows the busiest metro systems in Europe colour-coded depending on whether the lines are named by numbers, letters or names. Source: https://t.co/tkrJcmfN2F https://t.co/Fsvgqy86SX" / Twitter
I Fucking Love Maps - The length of #metro systems in #Europe Source: http://ow.ly/1ky630lI1t7 | Facebook
![International study reveals Europe's best metro systems, London comes in third place - London Business News | Londonlovesbusiness.com International study reveals Europe's best metro systems, London comes in third place - London Business News | Londonlovesbusiness.com](https://mloyoq1wv9pf.i.optimole.com/w:297/h:483/q:mauto/https://londonlovesbusiness.com/wp-content/uploads/2022/05/Excel.jpg)