Alexander Dennis Enviro500

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Alexander Dennis Enviro500
(first generation)
Kmbate201 001.jpg
Kowloon Motor Bus Enviro500 in Hong Kong in October 2005
Overview
Manufacturer TransBus/Alexander Dennis
Production 2002–2014
Body and chassis
Doors 1 or 2 doors
Floor type Low entry
Low floor
Chassis Alexander Dennis Enviro500 (a.k.a. Trident E500)
3-axle Volvo B9TL
Powertrain
Engine Cummins ISMe/ISM/ISLe/ISL (ADL Enviro500)
Volvo D9A/D9B (3-axle Volvo B9TL)
Power output Cummins: 330hp/335hp/340hp/380hp
Volvo: 300hp/310hp/340hp
Transmission Voith DIWA
ZF Ecomat
Allison B500R
Dimensions
Length 11.3, 12.0 and 12.8 metres
Width 2.55 metres
Height 4.1, 4.2, and 4.4 metres
Chronology

The Alexander Dennis Enviro500 (previously known as the TransBus Enviro500) is a three-axle double-decker bus built by Alexander Dennis (formerly by TransBus) 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 (MMC stands for "Major Model Change") or Enviro500 USA Standard (For Buses produced in the US for the US Market), was launched in 2012, replacing the original version.

First generation (2002–2014)[edit]

The Dennis chassis for Enviro500 (also known as Trident E500[1]) was modified from the Trident 3. It can be fitted with Cummins ISMe335 Euro III engine (later Cummins ISLe340 Euro IV/Euro V engine which uses AdBlue to reduce emission of nitrogen oxides through selective catalytic reduction process), or ISM-330 engine for the buses delivered to North America, and coupled to Voith DIWA864.3E 4-speed or ZF 5HP602 5-speed gearbox. Later Voith DIWA864.5 4-speed gearbox, ZF 6HP602 6-speed gearbox and Allison B500R 6-speed gearbox became available and gradually became the standard configurations.

Initially only the 12-metre (40 ft)-long version of the Enviro500 was built, but in 2007 Alexander Dennis announced the production of the 12.8-metre-long version,[2] and an 11.3-metre-long variant followed in 2008.

Later Alexander Dennis developed the hybrid electric version of Enviro500, known as the Enviro500H, with GM-Allison's parallel hybrid drive system; it was unveiled in late 2008.[3][4]

The body of the Enviro500 was based on the original style of the single-deck Enviro300, and the upper-deck frontal design was similar to the design used on the Plaxton President body.

Hong Kong[edit]

The vehicle exceeded some design limitations in Hong Kong, the first city where the model was used, prompting the local Transport Department to make some exclusions in order to make the buses available to KMB on time.

  • The width of the bus is 2.55 metres exceeding the limit of 2.50 metres. The width of 2.55 metres was approved by the European Union, becoming the current standard.
  • A fixed glass replaced the emergency door at the rear of the upper deck, but with more hammers available for emergency.
  • The front indicators are the smallest of all current models of Kowloon Motor Bus.

The facelifted version of Enviro500 body, first built in late 2003, have revised frontal and rear designs. This version of Enviro500 bodywork was also available with Volvo B9TL chassis.

Kowloon Motor Bus[edit]

Kowloon Motor Bus Enviro500 in November 2008

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.[5]

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 after being burnt out in KMB's depot in Tin Shui Wai on 31 March 2008.

Long Win Bus[edit]

Long Win Bus Enviro500 in June 2007

Long Win Bus registered three Enviro500 buses, which were originally ordered by Kowloon Motor Bus, in August 2005 to cope with the increased demand for bus services after the opening of Hong Kong Disneyland.

In late 2005, Long Win Bus ordered five more which had luggage racks fitted when new, entering service in June/July 2006.

A further batch of seven buses with Euro IV engines had been ordered for delivery in 2009. The first six buses entered service in mid-late 2009. The last one, which was fitted with coach seats, entered service in October 2009. These were followed by further five buses, with the first four being registered in December 2009; the last one, which was fitted with coach seats, entered service in April 2010. In 2010, Long Win Bus received 20 more Enviro500 buses with Euro IV engines.

A batch of 6 Enviro500 buses with Euro V engines was ordered for delivery in 2010/11. These, together with 30 diverted from KMB's order, were put into service between 2011 and 2013.

Citybus[edit]

Citybus Enviro500 in April 2008

Until 2014, Citybus has 220 Enviro500s in services, they are all 12 metres long.

Citybus ordered 10 Enviro500s with Euro IV engine and luggage racks, soon after its sister company New World First Bus's order. The first batch of chassis arrived Hong Kong in the third quarter of 2007 for body assembly in NWFB depot at Chong Fu Road. They entered service in December 2007/January 2008.

A further batch of 18 buses with Euro IV engines had been ordered for delivery in 2009, they entered service in 2009. They were followed by another 77 buses with Euro V engines, they entered service in 2010/11. In 2011 Citybus ordered 115 Enviro500s, with three fitted with luggage racks.

MTR[edit]

MTR Corporation Enviro500 in June 2008

Kowloon-Canton Railway Corporation originally ordered 9 12-metre long Euro IV-engined Enviro500 buses in early 2007 for its Feeder Bus service.[6] The first completed bus arrived Hong Kong on 24 November 2007, then registered in February 2008 and entered service in March 2008; the rest of them entered service in March/April 2008.

Due to a railway merger between MTR and KCR in late 2007, they are now operated by MTR Corporation for running MTR Bus (previously known as KCR Feeder Bus) routes.

Later a batch of 15 buses with Euro IV engines was ordered for delivery in 2009, they were first registered in April–August 2009. This was followed by another order for 9 buses in 11.3-metre length which entered service in 2012.

New World First Bus[edit]

New World First Bus Enviro500 in July 2008

New World First Bus ordered 18 Enviro500 buses with Euro IV engine in early 2007.[6] 17 buses entered service in early/mid-2008, another one (fleet number 5504) was shipped to Australia in March 2008, after body assembly, for demonstration in several cities between April and May 2008, it finally entered service in June 2008.

In 2008 New World First Bus ordered 20 11.3 metre examples with Euro IV engines for delivery in 2009. They entered service in July–October 2009. A further batch of 20 similar buses with Euro V engines entered service in early 2010.

In 2010, a batch of 24 12m-long buses with Euro V engines was ordered for delivery in 2010-2011. They entered service in January–May 2011.

In 2011 New World First Bus ordered 13 12m-long Enviro500s, all of them entered service in May 2012. These were followed by another 28 12m-long buses which started to enter service in 2013.

Currently there are 123 Enviro500 buses in service with New World First Bus.

CLP Group[edit]

CLP Group ordered five Enviro500 buses with Euro IV engines for its staff shuttle bus service in 2008. The specification is similar with Citybus's Enviro500, but without wheelchair place and standees. They entered service in June 2009.

Europe[edit]

United Kingdom[edit]

In August 2008, First Glasgow ordered a batch of 25. They entered service between April and June 2009.

North America[edit]

BC Transit Enviro500 in February 2005

In 2004, Alexander Dennis started to explore the North American market for its Enviro500. The American version of Enviro500 have modified bodies and redesigned fuel tanks, which enable the straight staircase to be moved forward. Alexander Dennis built four left hand drive Enviro500 (one 12m-long bus and three 12.8m-long bus) for demonstration in the United States and Canada.

Bus operators which evaluated the Enviro500 included Community Transit of Snohomish County, Washington (December 2005), Unitrans of Davis (January 2006, two weeks), OC Transpo of Ottawa (28 June to 12 July 2006 and February 2007), San Francisco Municipal Railway of San Francisco (November 2007 to January 2008)[7] and the Réseau de transport de la Capitale of Quebec City (March 2013).

Dennis also built one 12-metre Enviro500 demonstrator for long-term loan. It was first loaned to Community Transit between 2007 and 2009 which put it into service on 1 August 2007, the bus was used on commuter routes between Seattle and various points in Snohomish County during its first year in operation.[8] From September 2010, it was loaned to Strathcona County Transit on a one-year lease for the operator's one-year-long double-decker pilot project.[9] The pilot is part of an exploration of different high-capacity bus types to carry more passengers on the high-demand commuter routes, which are between Strathcona County and Edmonton; an articulated bus is also being evaluated as an alternative and there is no commitment to put any Alexander Dennis model or any double-decker design into permanent service. This bus becomes the first double-decker to be used for regular transit service in Alberta.[10]

In late 2008, Alexander Dennis announced the assembly of the American version of Enviro500 by ElDorado National in Riverside, California,.[4]

In 2011, Alexander Dennis unveiled a restyled Enviro500 body design for the North American market, which had the same front as the Enviro400. This was first used on the "Go-Anywhere" version developed for GO Transit, which has an overall height of 4.115 m (13 ft 6 in). This height would become standard with the MMC model introduced in 2015.

Canada[edit]

BC Transit[edit]
GO Transit Enviro500 in Toronto, Ontario, Canada in June 2009

BC Transit, the first Canadian operator of double-decker transit buses, ordered nine Enviro500s, which were allocated to the Victoria Regional Transit System in Victoria, British Columbia with fleet numbers 9041-9049. These vehicles entered service in early 2005, joining the nineteen Trident 3 buses already in service since 2000. These were followed by another 26 (9501-9526) which entered service in 2008; sixteen of them (9501-9516) were originally allocated to Victoria and the other ten (9517-9526) to the Kelowna Regional Transit System in Kelowna. Currently, vehicles 9514-9519 and 9525 are with Kelowna and the remainder with Victoria.

In 2009, BC Transit received one hybrid-electric Enviro500H (now numbered 9527) for evaluation, and followed it up in 2011 by purchasing one Enviro500 demonstration vehicle built in 2007 but repowered with an EPA 2010-compliant Cummins ISL engine (now numbered 9528). Three more Enviro500s (9529-9531) entered service in 2013, built in 2008 and acquired second-hand from OC Transpo (see below). All of these vehicles are used in Victoria.

GO Transit[edit]

GO Transit, the regional transportation authority serving the Greater Toronto Area in Ontario, currently operates 127 12.8-metre-long Enviro500s in its fleet. Like its fleet of coach buses, they have only one door in the front. Earlier, it tested a double-decker Trident 3 on loan from Victoria in May 2002, which had an extra rear door. However, it did not place any orders until early 2008, when it introduced twelve commuter-type Enviro500s (numbered 8000-8011), Ten extra units (8012-8021) entered service in early 2009. Both of these batches have a height of 4.2 metres, making them too high to meet bridge clearance requirements in the province.

After the introduction of the Go-Anywhere version of the Enviro500, In 2012, GO Transit ordered 25 of these new models (8101-8125), also 12.8 metres long. The first bus was delivered on 3 April 2013 and the remaining 24 in May 2013.[11] These were followed by seventy in 2014, delivered in two batches (8126-8165 and 8166-8195), and a further ten (8196-8205) in 2015.

OC Transpo[edit]

OC Transpo of Ottawa, Ontario, purchased three transit-type Enviro500s in 2008 as part of a one-year pilot project to investigate the use of double-deckers on high-capacity routes. Numbered from 1201 to 1203, they were operated on a variety of routes, but their height, which exceeded the requirements of the MTO, made them impractical for continued use. These three demo buses were sold to BC Transit in the summer of 2012 (see above).

OC Transpo subsequently ordered 75 Go-Anywhere Enviro500s (numbered 8001-8075) for delivery in 2012/13, the first one officially arriving on 23 August 2012. 74 of 75 these buses are in service as of 19 September 2013 (8017 was damaged in an accident and presumed retired).[12]

Strathcona County Transit[edit]

Strathcona County Transit ordered 14 transit-type Enviro500s (numbered 8001-8014) for their commuter service between Sherwood Park and Edmonton, Alberta, with the first arriving in late 2013 and subsequent buses arriving by the spring of 2014.[13] They chose double-deckers over articulated transit and motor coaches after a year of testing between September 2010 and October 2011.[14]

United States[edit]

Gray Line open-top Enviro500 in Washington DC in August 2008

Gray Line New York, owned by Coach USA ordered 20 open-top Enviro500 for its sightseeing operations in New York and put them into service in spring 2005, these were the first open-top Enviro500 built (another 13 would later be ordered). Gray Line also received three single-door Enviro500 in summer 2005 for operation in San Francisco.

Enviro500 in Las Vegas in November 2005

Citizens Area Transit (now RTC Transit) of Las Vegas had its first 50 Enviro500s enter service by October 2005. The service, marketed as "The Deuce", runs along the Las Vegas Strip. Certain high-traffic routes, such as along Maryland Parkway and Nellis Boulevard, have also used these buses. They offer extra ventilation grilles outside the engine compartment to cope with Southern Nevada's dry desert climate and high summertime temperatures. Las Vegas's Enviro500s have the largest air conditioning system ever created for a transit vehicle, with eight fans fitted on the air conditioning unit. As of October 2006, CAT had firm orders for another 41 of the type worth $29.8 million; these were delivered in late 2007. A further 40 had also been ordered for delivery in 2008; these were 12.8 meters long and had a second staircase to speed loading and unloading. All these vehicles were used for regular fixed-route operations, not for sightseeing operations.

Les Cars Rouges, a sightseeing company, ordered 16 open-top Enviro500 for sightseeing operations in the USA, delivery of these buses started in early 2007. Eight of the Enviro500 are destined for San Francisco, and the rest of them are destined for Washington D.C.

Community Transit currently has a fleet of 23 12.8m buses,[15] all of them were introduced in 2011.

Unitrans (the student-run transit service of University of California, Davis, known for years for its operation of former London Transport double-decker buses) ordered two Enviro500 which were delivered in early 2010; these are the first batch of Enviro500s with the bodywork assembled by ElDorado National.

SLO Transit ordered one Enviro500 which entered service in late 2010.

Hele-On Bus introduced one 12.8m Enviro500 in the first half of 2011.

Oceania[edit]

Alexander Dennis Enviro500 in Seoul, South Korea

Australia[edit]

A Enviro500 with Kiwi Bus Builders bodywork was unveiled in 2011. This bus was the first Enviro500 with bodywork constructed by other bodybuilders, it was built for Rockleigh Tours in Melbourne. After a five-year quest to acquire a new double-decker with disabled access, the only company willing to supply a chassis was ADL, though it needed to be modified to make it narrower to meet Australian standards. Kiwi Bus Builders narrowed the chassis and built the body to Rockleigh Tours requirements.[16]

Republic of Korea (demonstration only)[edit]

Gyeonggi province test-run a 79-seat with 12.86-metre-long Enviro500 (North American version) between Seoul and its surrounding cities, starting in mid-November 2014.[17][18]

Enviro500 bodywork on Volvo B9TL chassis[edit]

Hong Kong[edit]

Kowloon Motor Bus received one prototype Enviro500-bodied Volvo B9TL in 2005, a further 85 buses were put into service between 2006 and 2008.

Long Win Bus received ten buses between 2007 and 2008, one of them was built as an airport coach.

Ireland[edit]

Dublin Bus operates a fleet of 70, it is the only operator to receive Enviro500-bodied buses without air conditioning. The first batch of twenty entered service in 2005 in Donnybrook garage. Another batch of fifty entered service in 2007 in Phibsboro depot.[citation needed]

Second generation (2012–present)[edit]

Alexander Dennis Enviro500
(second generation)
ADL-Enviro500-MMC-Citybus-Central.JPG
Citybus second generation Enviro500 in January 2014
Overview
Manufacturer Alexander Dennis
Production 2012–Present
Body and chassis
Doors 2 or 3 doors
Floor type Low floor
Chassis Alexander Dennis Enviro500 (a.k.a. Trident E500 Turbo)
Powertrain
Engine Cummins ISLe/ISL/ISBe
Power output 280hp/330hp/340hp/380hp
Transmission Voith DIWA
Allison B500R
ZF EcoLife
Dimensions
Length 11.3, 12.0, 12.5 and 12.8 metres
Width 2.50, 2.545 and 2.55 metres
Height 3.9, 4.1, 4.2, and 4.4 metres
Chronology
Kowloon Motor Bus second generation Enviro500 in January 2014.
Citybus's Enviro500 hybrid energy bus.

In 2012, Alexander Dennis unveiled a new generation Enviro500 (also known as the Enviro500 MMC[19]) with a new chassis design. The chassis (also known as the Trident E500 Turbo[20] and E50D/E50H) had the longitudinally-mounted engine and gearbox slightly offset to the left. The Cummins ISLe engine was retained, with choices of ZF EcoLife and Voith DIWA gearbox. Like the Enviro400 with straight staircase, the shape of fuel tank was specifically adopted to be mounted under the staircase. All the axles utilised were supplied by ZF instead of Dana.

The bodywork was also redesigned, with a more angular front-end design based on the Hong Kong version of the Enviro400. It has a new design of staircase known by Alexander Dennis as the "Square-Case", whose size was similar to that of the spiral staircase but with all steps being rectangular shaped.

A hybrid-electric version of this bus model with a Cummins ISBe engine and the BAE Systems HybriDrive series hybrid system had been built in small numbers.

Later in 2014, Alexander Dennis unveiled this second generation Enviro500 in North America, with a new design of bodywork similar with the Enviro400 MMC launched earlier that year, featuring rounded top edges and a vertically oriented headlamp cluster. This bodywork design was also adopted by the Enviro500s built for Hong Kong since 2015.

Two versions of the Enviro500 have been developed for the North American market:[21] the standard 4.1 m (13 ft) height model with a length of 12.9 m (42 ft), and a new, lower-height 3.9 m (13 ft) Super-Lo variant with a longer length of 13.8 m (45 ft), designed for high-capacity, interurban transport.[22]

Hong Kong[edit]

Citybus[edit]

Citybus ordered one new generation Enviro500 in 2011 - 8320 (in conjunction with the 115 older Enviro500), soon followed by further order of 155, 8321 to 8360, 8000 to 8065 and 9100 to 9148. 107 of these were for the 12-metre-long version and included 66 fitted with airport coach specifications. The other 49 were 11.3-metres-long. The first 4 airport coaches entered service in March 2013 and in 2014. Citybus ordered a further 104 new generation Enviro500s which were all the 12-metre-long version and possess a high seating capacity for 90 passengers, 8361 to 8399 and 8402 to 8466.

In mid 2014, Citybus received a 12.8-metre-long Enviro500 demonstrator, 6300 and became the second operator in Hong Kong after KMB to receive such a model. Later that year, the operator received 2 hybrid versions of the Enviro500, 8400 and 8401, becoming the third operator of such a type in Hong Kong. Citybus then went on to order a further 70 new generation 12-metre-long Enviro500s of which the first was delivered in January 2015, 8467 to 8536, increasing the total of 12-metre Enviro500 to 216 in Citybus.

From late 2015, Citybus received further 247 12.8-metre-long Enviro500(6301-6443, 6501-6568, 6800-6836), but with restyled front and rear. 6800-6836 were fitted with luggage racks in the lower saloon.

Among the Citybus Enviro500 fleet 8361-8390 were sold to NWFB in 2017, repainted in NWFB's white-and-orange livery and re-numbered 5720-5749.

Kowloon Motor Bus[edit]

Kowloon Motor Bus ordered 348 new generation Enviro500 in 2012, with the first bus exhibited at the Euro Bus Expo 2012 at the National Exhibition Centre, Birmingham and delivered in February 2013. Among them, 19 were diverted to Long Win Bus and 329 were in KMB (ATENU1-ATENU329).

In 2014, KMB received two 12.8-metre-long version Enviro500s (3ATENU1 & 3ATENU2), which would be part of the first four 12.8-metre-long double-deckers received by the company. It also placed a further order of 145 Enviro500s (ATENU330-ATENU473, ATENU498) in the same year, then followed by 209 Enviro500s (ATENU474-ATENU497, ATENU499-ATENU681, ATENU685 and ATENU801) and another 196 Enviro500s (ATENU682-ATENU684, ATENU686-ATENU800, ATENU802-ATENU876, ATENU893; ATENU803-ATENU839, ATENU841-ATENU876 and ATENU893 had the restyled front and rear), all of them were in 12-metre-long length.

In 2015, KMB placed orders for 514 Enviro500s, 364 are in 12-metre-long (ATENU877-ATENU878, ATENU880-ATENU892, ATENU894-ATENU1197, ATENU1198-ATENU1241) and the rest are in 12.8-metre-long (3ATENU3-3ATENU151 and 3ATENUW1).

In 2017, KMB ordered 80 Enviro500s (made in Malaysia and facelifted, ATENU1242-1321), all of which are in 12-metre-long and painted in KMB's newly-released "Heartbeat of the City" red livery. The first new red-livery Enviro500, ATENU1242, was put in service in September 2017. Then KMB placed orders for more than 305 12-metre-long and 70 12.8-metre-long Enviro500s (ATENU1322-ATENU1626, 3ATENU152-3ATENU221).

Two Euro VI-engined Enviro500s had also been ordered by KMB.

Hybrid buses[edit]

In 2014, KMB received three hybrid version Enviro500 (ATH1-ATH3) as the first hybrid electric double-deckers received by the company.

Long Win Bus[edit]

Long Win Bus ordered 22 new generation Enviro500 in 2012, with a further 19 buses diverted from KMB order and follow by another 6 buses. In 2014, LWB placed a further order of 26 new generation Enviro500 with airport coach specification. A further batch of 91 was ordered in 2015 including 40 12-metre buses and 51 12.8-metre and another batch of 62 more was ordered in 2016 with 50 12-metre buses and 12 12.8-metre.

MTR Bus[edit]

MTR Bus ordered 6 11.3-metre-long new generation Enviro500 in 2012, which were delivered and entered service in 2013. Before the 6 new generation Enviro500 were registered, MTR ordered more 28 11.3-metre-long new generation Enviro500.

New World First Bus[edit]

New World First Bus ordered 12 new generation Enviro500 in 2013, they are all 11.3-metre-long version. The buses (4040 - 4051) were in service between 2013 and 2014.

In 2014, NWFB ordered another 87 Enviro500 (5583 - 5669), all of them were 12-metre-long version and included one Enviro500 with hybrid version (fleet no. 5600), becoming the second operator receiving hybrid version.

In 2016, NWFB received further 50 more 12-metre-long Enviro500 followed by 23 more 12.8-metre-long Enviro500 and another 40 more 11.3-metre-long version, but with restyled front and rear.

In 2017 NWFB received 30 second-hand 12-metre-long Enviro500s from Citybus, with new fleet numbers from 5720 to 5749 (originally 8361 to 8390).

CLP Group[edit]

CLP Group ordered one Enviro500 to replace one old version Enviro500 written off after an accident. It was delivered in late 2015.

Singapore[edit]

SMRT Buses[edit]

A second generation Enviro500 (SMB3501L) by SMRT Buses in July 2014.

SMRT Buses initially ordered 103 Enviro500 double deckers for delivery in 2014 but the order was expanded to 201 in total, with an additional 98 buses to be used for Land Transport Authority (LTA)'s Bus Service Enhancement Programme (BSEP).[23] As of Sunday 13 July 2014, the first double deckers started service on route 972.[24]

Bus Contracting Model (BCM)[edit]

As part of the Bus Contracting Model, some of the Enviro500s were transferred to Tower Transit Singapore under the Bulim bus package. These buses were repainted into the lush green livery.

A mock-up of restyled 13.0 m long Enviro500 MMC concept bus with 3 doors and 2 staircases was also built for the Land Transport Authority.[25]

Malaysia[edit]

A second generation Enviro500 operated by Rapid Bus parked at Cheras Selatan depot

Prasarana Malaysia had ordered 40 units of Euro III engined Enviro500 buses for Rapid KL services and is being operated by Rapid Bus, one of subsidiaries of Prasarana Malaysia. The buses are serving the high capacity routes around the Klang Valley, especially from Cheras and Shah Alam to the capital city of Kuala Lumpur as well as the inner routes in the city centre.[26][27]

Lately, Prasarana Malaysia ordered another 3 units of Enviro500 buses for Rapid Penang.

New Zealand[edit]

F/N# 5016 Enviro500MMC operated by NZBus, usually running on route 881.

Howick & Eastern had ordered 15 Enviro500s for delivery in 2015-16. In October 2015 the first double decker went into service with more slowly introduced throughout the commissioning stages.

In September 2015, NZ Bus announced it had ordered 23. As of Sunday 29 May 2016, the first lot of many double deckers has gone into service.[28]

All buses provided by Howick & Eastern and NZ Bus have USB charging ports and with WiFi to come at a later date.

United States[edit]

Enviro500 MMCs produced in the United States are made under the title of 'USA Standard' instead of MMC.[citation needed] Production of these models has taken place since September 2014 in a newly-opened facility originally owned by Ameritrans Bus, Inc. in Nappanee, Indiana.[29] By December 2016, Alexander Dennis took over all manufacturing operations within the facility and added a second body assembly line to increase production.[30]

As for operators, Community Transit in Snohomish County, Washington currently has a fleet of 22 Enviro500 'USA Standard' coaches. After its fleet of 23 Enviro500 coaches proved to be well suited for the agencies commuter routes with direct peak-hour service to Downtown Seattle, the agency placed an order for 22 Enviro500 'USA Standard' coaches in 2014 and has 17 more coaches on order.

At the same time as Community Transit placed its order, neighboring agency Sound Transit, the regional operator in Seattle also ordered five Enviro500 'USA Standard' coaches. The agency used the coaches to test their suitability for use Sound Transit Express routes.[31] After proving to be successful, Sound Transit placed an order for an additional 32 Enviro500 'USA Standard' coaches.

Kitsap Transit has ordered 11 Enviro500 'USA Standard' coaches to provide higher-capacity on its busiest ferry feeder services.

Sound Transit's first double-decker on display at Union Station in Seattle, Washington.

Canada[edit]

GO Transit's Enviro500 "SuperLo" at Square One Bus Terminal.

In 2015, GO Transit, Canada's largest operator of double-deckers with over 120 vehicles in its fleet, became the launch customer for the Super-Lo variant of the "SuperLo" Enviro500s. Their lower height of 3.9 metres allows them to fit into terminals with height restrictions, particularly York Mills and Yorkdale Terminals. The first batch of 38 vehicles (8300-8337) was delivered in 2016. The chassis for these vehicles are being manufactured at a purpose-built factory in Vaughan, north of Toronto, creating up to 30 new full-time jobs.[32] As a suburban bus operator, the Enviro500 has single doors at the front.

Strathcona County Transit received five Enviro500s in 2016.

OC Transpo ordered 43 new Enviro500 "Go Anywhere" models for delivery starting in late 2015 with the last entering service September 2016. These new buses will also be fitted with Wi-Fi, of which 15 currently have Wi-Fi as a test project. OC Transpo's Enviro500 have doors at the front and the middle.

Switzerland[edit]

In September 2015, Alexander Dennis announced the order of 19 Enviro500s with twin staircases and three doors for PostAuto, Switzerland, scheduled for delivery in 2016.

Mexico[edit]

Metrobús of Mexico City ordered 90 Enviro500 after evaluating one original version Enviro500 demonstrator in late 2014. They are scheduled for delivery in 2016.[33] The delivery has been delayed and as of 2017 only 22 out of 90 buses have arrived to Mexico City. The service of Metrobus is expected to start on October 2017 with the route that starts from Indios Verdes to Fuente de Petroleos.[34]

Germany[edit]

Berlin (demonstration only)[edit]

Berliner Verkehrsbetriebe Enviro500 in October 2015

In October 2015 Berliner Verkehrsbetriebe (BVG), the public transport operator of Germany’s capital, commenced a six-week trial of an Alexander Dennis Enviro500, as part of a bigger testing programme for a new series of buses for the city.[35][36]

Conversions[edit]

  • Length: 11.3 m (37 ft 78 in), 12.0 m (39 ft 4 12 in), 12.5 m (41 ft 18 in), 12.8 m (41 ft 11 78 in)
  • Width: 2.50 m (8 ft 2 38 in), 2.545 m (8 ft 4 14 in) 2.55 m (8 ft 4 38 in)
  • Height: 3.9 m (12 ft 9 12 in), 4.1 m (13 ft 5 38 in), 4.2 m (13 ft 9 38 in), 4.4 m (14 ft 5 14 in)

See also[edit]

Competitors[edit]

References[edit]

  1. ^ Yung, Stanley (December 2006). The Fleet Directory of Hong Kong Buses: K.M.B. & Long Win Bus. BSI Hobbies (H.K.) Co. p. 96. ISBN 962-8414-83-6. 
  2. ^ "Alexander Dennis Company". Retrieved 25 November 2007. [dead link]
  3. ^ [1] Archived 6 July 2009 at the Wayback Machine.
  4. ^ a b [2] Archived 6 July 2009 at the Wayback Machine.
  5. ^ "The Kowloon Motor Bus Co. (1933) Ltd 九龍巴士(一九三三)" (in nu). Kmb.hk. Retrieved 2015-11-25. 
  6. ^ a b [3] Archived 27 September 2007 at the Wayback Machine.
  7. ^ [4] Archived 5 September 2012 at the Wayback Machine.
  8. ^ "Community Transit". Commtrans.org. Archived from the original on 2007-09-28. Retrieved 2015-11-25. 
  9. ^ [5] Archived 30 January 2011 at the Wayback Machine.
  10. ^ [6][dead link]
  11. ^ "GO adds new double-deckers that ride a bit lower | Toronto Star". Thestar.com. 2013-04-03. Retrieved 2015-11-25. 
  12. ^ "OC Transpo - Double Decker Buses". Octranspo1.com. Retrieved 2015-11-25. 
  13. ^ [7] Archived 23 June 2012 at the Wayback Machine.
  14. ^ [8] Archived 6 August 2012 at the Wayback Machine.
  15. ^ "Community Transit : Double Tall Buses". Commtrans.org. Archived from the original on 2011-09-10. Retrieved 2015-11-25. 
  16. ^ "Australian Bus Fleet Lists - Victorian Operator Fleet Lists". Fleetlists.busaustralia.com. Retrieved 2015-11-25. 
  17. ^ "Double-decker used for public transportation". English.yonhapnews.co.kr. 
  18. ^ "2층 버스 국내 첫 대중교통 투입…11월 시험 운행". Yonhapnews.co.kr. Retrieved 2015-11-25. 
  19. ^ Chan, Danny (January 2014). Hong Kong Buses Yearbook 2014. Northcord International. pp. 28–34. ISBN 978-962-9200-43-5. 
  20. ^ Chan, Danny (January 2013). Hong Kong Buses Yearbook 2013. Northcord International. p. 36. ISBN 978-962-9200-41-1. 
  21. ^ "Alexander Dennis Inc Doubles Manufacturing Footprint in North America". Alexander Dennis. 2017-01-06. Retrieved 2018-01-13. 
  22. ^ "Market-leading transport solutions for North America" (PDF). Alexander Dennis. Retrieved 2018-01-13. 
  23. ^ "SMRT Buses enhances strategy for fleet growth and renewal: Double Deckers among confirmed delivery of over 570 buses". SMRT Buses. 2 April 2014. Retrieved 18 September 2016. 
  24. ^ "SMRT Double Deckers to Begin Service on 13 July 2014". SMRT Corporation. 6 July 2014. Retrieved 18 September 2016. 
  25. ^ Singapore authority assesses three-door double-decks Bus & Coach Professional 6 May 2016
  26. ^ "Double-decker for stage bus services in KL to debut next month". The Sun Daily. 26 April 2015. 
  27. ^ "Narrow Enviro500 for Malaysia could also reach NZ" Buses issue 723 June 2015 page 19
  28. ^ "NZ Bus invests in 23 ADL Enviro 500s" Coach & Bus Week issue 1207 22 September 2015 page 14
  29. ^ "Bus Manufacturer Growing in Nappanee". Inside Indiana Business. 2015-08-15. Retrieved 2018-01-13. 
  30. ^ "Alexander Dennis grows on American market". busworld. 2017-01-10. Retrieved 2018-01-13. 
  31. ^ "Ride tall: Sound Transit to purchase new double-decker transit buses" (Press release). Sound Transit. March 27, 2014. Retrieved November 25, 2015. 
  32. ^ "Scottish bus maker to establish Ontario plant as part of Metrolinx deal". Canadian Manufacturing. Annex Business Media. 24 November 2014. Retrieved 28 June 2015. 
  33. ^ 90 vehicle Mexico City order for Alexander Dennis Bus & Coach Professional 5 November 2015
  34. ^ El Universal. (2017). Theresa May da banderazo a unidades de Metrobús. El Universal, 1. http://www.eluniversal.com.mx/metropoli/cdmx/theresa-may-da-banderazo-unidades-de-metrobus
  35. ^ Klaus Kurpjuweit (2015-10-10). "BVG testet englischen Doppeldecker". Der Tagesspiegel. Retrieved 2015-11-25. 
  36. ^ Six-week Berlin trial for ADL Enviro500[permanent dead link] Bus & Coach Professional 23 October 2015

External links[edit]