https://en.wikipedia.org/wiki/London_Underground_rolling_stock#Current_stock
| Train length | 106.810 m (350 ft 5.1 in) |
|---|---|
| Car length | DM 17.473 m (57 ft 3.9 in) UNDM/T 17.676 m (57 ft 11.9 in) |
https://en.wikipedia.org/wiki/Heathrow_Terminal_5#Railway_links ,
https://en.wikipedia.org/wiki/Heathrow_Express#Rolling_stock
https://en.wikipedia.org/wiki/British_Rail_Class_455#Livery_Diagrams
https://en.wikipedia.org/wiki/Paris_Metro#Rolling_stock
"Unlike the six-car configuration that the MP 59 possessed while in operation on Lines 1 and 4, the trains operate in four-car configurations along Line 11. Although all of the platforms are 75 meters in length, enough for a five-car train, the Victoria Depot (situated near Châtelet) is not large enough to accommodate five-car trains." 75m = 246 feet
https://en.wikipedia.org/wiki/MP_59#Additional_trains_and_refurbishment
- Train length: 90.390 m (296 ft 65⁄8 in)
- Overall width: 2.400 m (7 ft 101⁄2 in)
