Vancouver, B. This may lead to stalling, or in the worst situations to a full-fledged fire if the bus is powered by a diesel engine. During late and early , a series of onboard fires on newly delivered Mercedes-Benz Citaros led to Londoners humorously nicknaming the vehicles chariots of fire.
Mercedes-Benz quickly addressed the problem, although the vehicles were out of service for a period. Vancouver's articulated trolley buses were specifically chosen for the higher torque output of their electric motors, which typically outperform diesel-based low-floor buses. In some circumstances of urban operation such as in areas with high pedestrian volumes, narrow streets and tight turns , articulated buses may also be involved in significantly more accidents than conventional buses.
Estimates for London's articulated buses put their involvement in accidents involving pedestrians at over five times the rate of all other buses, and over twice as high for accidents involving cyclists.
Articulated buses have been used in most European countries for many years. Until , they were illegal on the UK's roads. A experiment by South Yorkshire Passenger Transport Executive with buses manufactured by MAN and Leyland-DAB led to a change in the law, but the experiment was abandoned in because double-decker buses were generally considered less expensive both to purchase and to operate. The cost and weight of the strengthened deck framing and staircase of a double-decker was lower than the cost and weight of the additional axle s and coupling mechanism of an articulated bus.
Modern technology has reduced the weight disadvantage, and the benefits of a continuous low floor allowing easier access plus additional entrance doors for smoother loading have led to reconsiderations of the use of articulated buses. Articulated buses became popular in mainland Europe due to their increased capacity compared with regular buses. In many cities, lower railway bridge clearances have precluded the use of double-deck vehicles, which have never achieved great popularity there.
Overhead wires for trams, trolleybuses etc. Otherwise many goods vehicles would encounter severe problems in the course of normal operation. In London , articulated buses and their double-decker counterparts have replaced AEC Routemasters on most routes. Elsewhere in the UK, they are generally operated on particular routes in order to increase passenger numbers, rather than across entire networks.
Boris Johnson , the current Mayor of London, has promised to rid the city of the controversial buses, and all articulated buses on route 38 have already been decommissioned. He aims to replace all remaining buses within 12 years with a new generation of open-platform Future Routemaster.
In Israel , the use of articulated buses - commonly called long buses - is widespread, particularly in Gush Dan and Jerusalem, the two great urban centers of the country.
The long buses are considered reliable and useful, and have been in service in Israel since the mids. During the Israeli-Palestinian conflict , such buses were often targeted by Palestinian terrorists and suicide bombers during rush hours, since a crowded long bus can contain more than passengers. Due to the al-Aqsa Intifada wave of mass bombings, security measures were enforced and today many long buses in Israel are accompanied by a security guard. An articulated bus is a long vehicle and usually requires a specially trained driver, as maneuvering particularly reversing can be difficult.
The trailer section of a "puller" bus can be subject to unusual centripetal forces, which many people can find uncomfortable, although this is not an issue with "pushers".
Nonetheless, the articulated bus is highly successful in Budapest, Hungary, where the BKV city transit company has been operating more than of them every day since the early s. In Asia, many major Chinese cities had fleets of articulated buses prior to the late s.
Many of these fleets have since been replaced by single-section units except in a few cities, namely Beijing, Shanghai, and Hangzhou. In recent years, it has proven problematic to find suitable low-floor articulated buses to replace the manufactured Mercedes buses, because the design of the O-Bahn track unfortunately precludes the use of most modern articulated buses.
They were given the moniker "bendy buses", a name which is still in use today. With a length of 19 metres 62 ft , this bus earned the title of "Asia's Longest Bus". This bus had Volgren CRL bodywork.
In March , SBS Transit sold all its bendy buses to New Zealand after encountering drivability issues with the Volvo B10MA bus and air-conditioning problems with the Mercedes-Benz bus, and also deciding that double-decker buses could carry more passengers while taking up less road space, as opposed to SMRT's stance that "articulated buses offer greater accessibility and efficiency".
They are usually 80 feet 24 meters long or more, and are extremely rare. They frequently run on separate roadways usually auto-guided lanes or a Bus Rapid Transit corridor , however there are cities in Europe that run bi-articulated buses in mixed traffic. Double-decked articulated buses do exist. The Neoplan Jumbocruiser is a notable example.
Built between and , passengers can only move to the trailing section of this bus via the upper deck - as a result, each section is equipped with separate doors. Designed for maximum efficiency and typically incorporated into mass rapid bus transit systems, articulated buses are designed with single-deck or double-decker bodies for even higher capacity needs.
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