Quote:
Originally Posted by Overground
This is true, for example, the LU 1996 Stock used on the Jubilee Line are almost exactly the same width and length as the MKII. Approx. 17m x 2.6m. They run seven car trains now though.
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Tube stock width is measured at floor height, the sides (including the doors) curve in to fit in the circular tunnels. So the actual room (volume) is less than Skytrain.
Source: Wiki - 1995 Tube stock - notice the doors curve over into the ceiling - this is so the train will fit in the circular tunnels. This is on the Northern Line (notice the line diagramatics running the length of the car and the full system map on the wall - Translink could learn a thing or two here).
Source: Translink - Mark II Skytrain stock - the width is actually a little less than the London Underground - but London Underground trains doors, wheels and traction equipment actually take up a lot of room - that's why so many seats are sideways in the above picture - the wheels, traction equipment, heating and ventilation, etc are under the seats (because the train must be low to fit the tunnel profile). On Skytrain there is no motor, so less equipment is needed inside the train, plus there's more clearance under the car for equipment. It feels more spacious than the tube trains.