https://en.wikipedia.org/wiki/London_Underground_C69_and_C77_Stock#Design
7 cars per train
https://en.wikipedia.org/wiki/London_Underground_1972_Stock
| Train length | 113.552 m (372 ft 6.6 in) |
|---|---|
| Car length | DM 16.091 m (52 ft 9.5 in) T/UNDM 15.977 m (52 ft 5.0 in) |
9 car train
https://en.wikipedia.org/wiki/Dublin/Pleasanton%E2%80%93Daly_City_line#/media/File:Dublin_Pleasanton-MacArthur_train_at_19th_Street_Oakland_station,_February_2019.jpg ,
https://en.wikipedia.org/wiki/Market_Street_Subway
https://en.wikipedia.org/wiki/T_Third_Street#Future_route
https://en.wikipedia.org/wiki/Light_rail#Typical_rolling_stock
https://en.wikipedia.org/wiki/Market_Street_Subway
https://en.wikipedia.org/wiki/T_Third_Street#Future_route
https://en.wikipedia.org/wiki/Light_rail#Typical_rolling_stock