Alexander ALX400
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The Alexander ALX400 is a 2-axle double-decker bus body built by Walter Alexander Coachbuilders. It was one of the ALX-series bodywork, all of which featured the same designs on the front and rear pan
Stagecoach West Scotland ALX400 bodied Dennis Trident 2 in Ardrossan in 2004
Arriva London ALX400 bodied DAF DB250LF on route 253 in Stamford Hill in March 2010
Dublin Bus Alexander Dennis ALX400 bodied Volvo B7TL in Dublin in 2019
Arriva Medway Towns TransBus ALX400 bodied Volvo B7TL in Weybridge in 2009
Alexander Dennis Enviro400
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The Alexander Dennis Enviro400 is a twin-axle low-floor double-decker bus that was built by the British bus manufacturer Alexander Dennis between 2005 and 2018. It replaced the Alexander ALX400. In 20
Stagecoach London Enviro400 at Barking in 2025
First generation (left) and second generation (right) Enviro400s of National Express Coventry, photographed in May 2022
The first production Enviro400, Stagecoach 19000 Spirit of London, new in 2005, photographed in 2014
A second generation Enviro400 operated by Arriva Derby in August 2025