page_title: Alexander Dennis Enviro500
section_title: Kowloon Motor Bus
hierarchical_section_title: Alexander Dennis Enviro500 / First generation (2002–2014) / Hong Kong / Kowloon Motor Bus
caption_attribution_description: 中文: ATE210
context_page_description: The Alexander Dennis Enviro500 is a three-axle double-decker bus built by Alexander Dennis in the United Kingdom. It was unveiled in 2002 and is one of the Enviro-series bus models made by TransBus/Alexander Dennis.
  The second generation Enviro500, also known as the Enviro500 MMC or Enviro500 USA Standard, was launched in 2012, replacing the original version.
context_section_description: The Enviro500 is the first model of second-generation low-floor buses for Kowloon Motor Bus, with straight staircase and plug door (only at the exit) fitted. All KMB's Enviro500 buses had a bronze band added to the champagne livery to differentiate them from the first-generation low-floor buses.
  When TransBus announced the development of the Enviro500, KMB became the launch customer by changing the last 20 of an order for 100 Dennis Trident 3s to the Enviro500 in 2002. Later in the same year, KMB placed an order for a further 100. The first Enviro500 arrived in Hong Kong on 12 November 2002 and was registered in January 2003 with all in service by November 2003.
  In 2003 KMB placed another order for 65 Enviro500s, quickly followed by a further 50. The bodywork of these buses received a number of minor modifications. The first 112 buses entered service between November 2003 and June 2005, and the remaining three buses were registered by its subsidiary Long Win Bus.
  Due to the commencement of the KCR West Rail in late 2003 and KCR Ma On Shan Rail in late 2004, the Transport Department requested KMB to reduce its fleet size, so the registration of these four batches of KMB Enviro500 were delayed and some of them were stored before entering service.
  In 2005, KMB ordered a further 25 with modified bodywork and new Alexander Dennis badge, 24 of them (five had their electronic route destination displays supplied by Gorba instead of Hanover) entered service in early 2006. The last one, a Euro IV-engined prototype, with fleet number ATEU1 (originally ATE257), entered service on 24 May 2006. In 2009, it reemerged as a Euro V-engined bus.
  In late 2005, KMB ordered 15 more buses which entered service in August 2006.
  Later a batch of 9 buses with Euro IV engines was ordered for delivery in 2009, which entered service in mid-2009. One of them was fitted with luggage rack after body assembly. It was quickly followed by another batch of 46 buses for delivery in 2010, 20 of them were eventually diverted to Long Win Bus, and 26 buses entered service with KMB in 2010-2011.
  A batch of 35 buses with Euro V engines was ordered for delivery in 2010/11, 30 of them were eventually diverted to Long Win Bus, and 5 buses entered service with KMB in 2011.
  In July 2008, one was written off (ATE180) after being burnt out in KMB's depot in Tin Shui Wai on 31 March 2008.
caption: Kowloon Motor Bus Enviro500 in November 2008
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