London Buses route 274 is a Transport for London contracted bus route in London, England. Running between Islington and Lancaster Gate, it is operated by Metroline.
Route 274 commenced operation on 25 May 1991 between Marble Arch and Camden Town Greenland Road via Baker Street - The Zoo. The route was introduced replacing the withdrawn section of route 74 between Camden Town and Baker Street. The route was initially operated by London Northern from their Chalk Farm (CF) garage using Leyland Titans.
In September 1992, the route was converted to midibus operation using Plaxton Pointer bodied Dennis Darts.
In 1993, Chalk Farm (CF) garage was announced closed and the allocation transferred to Holloway garage (HT) garage.
On 1 March 1997, the route was extended from Camden Town to Islington and on 1 February 2003, from Marble Arch to Lancaster Gate Station in preparation for the introduction of the London congestion charge.
In June 2001, the route was converted to low floor operation using Plaxton Pointer 2 bodied Dennis Dart SLFs.
On 26 July 2003, the allocation was transferred from the overcrowded Holloway garage (HT) to King's Cross (KX) garage.
On 20 March 2004, the route was converted a 24-hour service.
On 12 July 2010, the allocation was transferred to King's Cross (KC) garage.
On 25 June 2011, the route was retained by Metroline with Alexander Dennis Enviro 200 Darts introduced. On the same date, the night service was withdrawn.
The route will be retained by Metroline from 23 June 2018. The route will be converted to double deck operation using MCV EvoSeti bodied Volvo B5LHs at the same time.
Route 274 operates via these primary locations:
- Islington Goswell Road
- Angel Station
- Caledonian Road & Barnsbury Station
- Camden Road Station
- Camden Town Station
- London Zoo
- Baker Street Station
- Marble Arch Station
- Lancaster Gate Station