Route 21 Wood Green, Turnpike Lane Station Und.

An AEC Chiswick built ST type vehicle works through Sidcup on it's way to Turnpike Lane Station, shortly before the beginning of WW2.

Route 21 between Wood Green, Fishmongers Arms and Greenwich, Blackwall Tunnel, was the second bus route to serve Green Lanes, when it was introduced in 1912, closely preceeding the introduction of route 29. It provided the connection from Harringay to Bank and London Bridge. By the 1920s it was running far into rural Kent, terminating at Farningham. It was supplemented by a route 20 to Welling, which became the 21A in 1934. At the outbreak of WW2, the 21 was withdrawn in Harringay, being cut back to Moorgate, Finsbury Square, where it terminated head on with Trolleybus Route 641 to Winchmore Hill via Harringay, therefore cutting down parallel diesel services over electric routes, which had the benefit of saving imported diesel and increasing the use of home produced electricity.

After nearly sixty years, in 2006, the 21 was extended back over old territory as far as Newington Green and has remained so until the present. It's history since 1934 and a map through Harringay can been found here: http://www.londonbuses.co.uk/_routes/current/021.html