https://en.wikipedia.org/wiki/Massachusetts_Bay_Transportation_Authority#Subways_and_elevated_railways
https://en.wikipedia.org/wiki/MBTA_Subway#Rolling_stock
| Specifications | |
|---|---|
| Car body construction | Stainless Steel |
| Train length | 600 feet (182.88 m) (8-car train) |
| Car length | 75 feet (22.86 m)[57] |
| Width | 10 feet 13⁄4 inches (3.09 m) |
| Height | 10 feet 10 inches (3.30 m) |
| Floor height | 40 inches (1,016 mm) |
| Doors | Sliding, 6 per car |
| Maximum speed | 75 mph (121 km/h)[57] |
| Weight | 80,000 lb (36,000 kg) |
The cars are 75 feet (23 m) long, 10 feet (3.0 m) wide and have a top design speed of over 70 mph (110 km/h). They are semi-permanently attached in married pairs, and joined up to form 4-car trains, which is the normal train length.
https://en.wikipedia.org/wiki/Metrorail_(Miami-Dade_County)#Rolling_stock
The platform at each Metrorail station is long enough to accommodate six-car-long trains; the Dadeland North, Earlington Heights, and Government Center station platforms are long enough to accommodate eight-car-long trains. In-service trains are usually either four or six cars long; in the evening it is not uncommon for Miami-Dade Transit to link two out-of-service trains together before returning them to Lehman Yard.
https://en.wikipedia.org/wiki/Metrorail_(Miami-Dade_County)#Trackage
