I'm pretty sure it's just London.
NOT SO Liverpool does aswell
New York and Moscow and probably many other cities.
Guildford hasn't got an Underground system, so no underground trains.
All trains are noisy. Underground trains sound noisier because the tunnel reflects the noise back.
Yes, tourists and residents can film trains in the London Underground.
No. Luxor, Egypt has only above-ground trains.
Mostly by car but commuters into big cities tend to use trains and buses.
Depends what you mean: Firstly, what are 'normal' trains and why are underground trains not 'normal'? Can non-LU trains run on the tube network? A: No, they will not fit in the tunnels Does LU have an intergrated transport network with non-LU trains? Yes, sometimes on adjacent platforms
the answer is metro
Seattle and Atalanta have Underground cities. You can take a tour of Seattle Underground.
Electric traction motors in each car via a "3rd rail" feeding electricity.
They use the underground or the trains
20m