Once the largest tramway network in the British Isles, the tramways had belonged to a range of operators until the London Passenger Transport Board was created in July 1933. This resulted in a great variety of tramcars operated in the Metropolis. This is one of four volumes to cover London; the routes to the northeast, were the result of network developments by a number of local authorities and converted to trolleybus operation leading up to 1940.

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