The Electrical Grid includes urban surface rail transit, that is, streetcars and now Light Rail Vehicles, elevated or underground urban metro systems (like the Chicago L or the New York City subway system), and suburban and intercity rail, passenger and freight, notably the Boston - Washington part of Amtrak.
Ironically, after WW II, almost all streetcar lines were replaced by bus lines
The railroads, mostly diesel powered, have adopted modern technologies like drones and now some AI