Route 15 was introduced in November 1908 between Shepherd's Bush and East Ham. History A Dennis Trident 2 double-decker operated by East London on route 15 at Mansion House station, April 2007 Short workings of route 15 were provided by route 15H with traditional AEC Routemaster buses between 20.

Running between Blackwall station and Charing Cross station, it is operated by Blue Triangle.

London Buses route 15 is a Transport for London contracted bus route in London, England.