We're getting our first look at Grand #Paris Express in action.

The driverless trains will run at 110 km/h, putting this among the fastest metros in the world.

✅ 4 all-new metro lines
✅ 68 new stations
✅ 200 km (125 miles) of new tracks
✅ 1 major line extension (Line 14, both ends)

🧵