Wright SRM

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Wright SRM
Wright Short Routemaster.jpg
London Sovereign Wright SRM bodied Volvo B5LH at Golders Green station in December 2016
Manufacturer Wrightbus
Production 2016-present
Assembly Ballymena, Northern Ireland
Body and chassis
Doors 1 or 2
Floor type Low floor
Chassis Volvo B5LH
Volvo B5LHC
Related New Routemaster
Length 10.6 to 11.3 m (34 ft 9 38 in to 37 ft 78 in)
Width 2.5 m (8 ft 2 38 in)
Height 4.2 m (13 ft 9 38 in)

The Wright SRM (Son of RouteMaster) is a twin-axle double-decker bus body manufactured by Wrightbus, designed for the Volvo B5LH and Volvo B5LHC hybrid chassis. The design is based on the New Routemaster, sharing the majority of body panels up to the rear quarter section but having no second staircase or third door. It was designed with provincial bus operators in mind, rather than being exclusively for bus operators in London.[1][2][3][4]

Transport for London (TfL) stated the Wright SRM's will be purchased by private bus operating companies at their choice, TfL having had no involvement with designing the Wright SRM.[5]

The Wright SRM is styled like the New Routemaster with a tall wrap-around windscreen, a separately mounted destination display, an upper deck double-curvature windscreen and an arched roof. The first six Volvo B5LHs entered service with London Sovereign on route 13 in September 2016.[1][2][4] They were transferred to route 183 in April 2017 due to a boarding issue.[6]

A further two were completed to TfL specifications on Volvo B5LHC chassis in 2016.[7][8] One was sent to Volvo.[9] Both will commence a trial with London Central on route 37 in 2018.[10]


  1. ^ a b London launch for new Wrightbus SRM on Volvo B5LH Bus & Coach Professional 18 March 2016
  2. ^ a b Son of Routemaster Bus & Coach Buyer 22 March 2016
  3. ^ "Son of the Routemaster is born" Coach & Bus Week issue 1232 22 March 2016 pages 16-22
  4. ^ a b Volvo B5LH Wrightbus SRM: SRM appears wright on cue Route One 23 March 2016
  5. ^ "Questions about the SRM and Enviro400H City - a Freedom of Information request to Transport for London". WhatDoTheyKnow. 2017-12-12. Retrieved 2018-01-28.
  6. ^ "Short Hops" Buses issue 748 July 2017 page 23
  7. ^ World premiere for Volvo B5LHC Double Deck Hybrid in Birmingham Volvo 1 November 2016
  8. ^ World premiere for Volvo B5LHC Electric Hybrid double-deck Bus & Coach Professional 7 November 2016
  9. ^ "Volvo plugs electrification" Buses issue 750 September 2017 page 36
  10. ^ "Volvo electric arrive for south London trial" Buses issue 761 August 2018 page 23
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