London Buses route 3
|Peak vehicle requirement||22|
|Night-time||Night Bus N3|
|End||Oxford Circus station|
|Length||9 miles (14 km)|
On 2 January 1993 it became one man operated with the AEC Routemasters replaced by 24 Optare Spectra bodied DAF DB250s until 1999, when upon being tendered, the contract to operate the route passed from London Central to Connex, who introduced Alexander ALX400 bodied Dennis Trident 2 low-floor vehicles.
Route 3 was included in the sale of Connex to Travel London in February 2004 which in turn was sold to Abellio London in May 2009. It is operated out of Battersea garage with a peak vehicle requirement of 22. 
Route 3 operates via these primary locations:
- Crystal Palace bus station
- Dulwich Wood Park
- Gipsy Hill
- Croxted Road for West Dulwich station
- Herne Hill station
- Brixton station
- Kennington for Oval station
- Imperial War Museum
- Lambeth Bridge
- Westminster station
- Trafalgar Square for Charing Cross station
- Piccadilly Circus station
- Oxford Circus station Harewood Place
- Aldridge, John (August 1999). "New kid on the block". Buses. Ian Allan Publishing (533): 12.
- Blacker, Ken (2007). Routemaster: 1970–2005. 2 (2nd ed.). Harrow Weald: Capital Transport. p. 119. ISBN 978-1-85414-303-7.
- National Express buys 200 London buses The Telegraph 27 February 2004
- National Express Group plc agreement to sell Travel London National Express Group 21 May 2009 Archived February 2, 2014, at the Wayback Machine.
- NedRailways acquisition reinforces long term commitment to UK transport market NedRailways 9 June 2009 Archived January 18, 2016, at the Wayback Machine.
- Carr, Ken (May 2015). The London Bus Guide (5 ed.). Boreham: Visions International Entertainment. p. 123. ISBN 978-0-9931735-3-0.
- Route 3 Map Transport for London