Consists of 3 entrances:
Clapham Common North Side, Rookery Road, The Pavement

and 2 exits
Broughton Street, Silverthorne Road

Originally ran from the A212 in Catford to the A2216 near Forest Hill; this was renumbered as a portion of the A205 in the 1930s.

Originally ran from Clapham to Dulwich; became part of the A205 in the 1930s.

Originally ran from the A206 to the A220 in Erith. Now part of the A206.

Originally ran from the A2000 to the A2 in Crayford; declassified sometime after the 1960s.

Road names: Highcross Road, Southfleet Road, High Street, Bean Lane, High Street, Bean Lane, St Clement's Way, Station Road, High Street, The Ave

Originally ran from Newhaven to Eastbourne and planned as B2108, this route was given the out-of-zone number of B259 to demonstrate that it was part of the same route as the A259, which the B259 was upgraded (one of the first roads to be upgraded to Class I status) to in 1924.

Originally ran from Crystal Place Park to Penge; this was upgraded to Class I status as an extension of the A234 in the early 1930s.

Originally ran east of Mitcham from the A217 to the A237. Became part of the A239, probably by 1932.

Originally ran along Kingsdowne Road in Surbiton, cutting the corner between the A243 and A240. Renumbered to the B3364 when the B286 was put out of-zone when the A3 was rerouted to the Kingston Bypass instead of the A239, although this section of the B3364 is now the A3210.