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A skyway, skybridge, skywalk, or sky walkway is an elevated type of pedway connecting two or more buildings in an urban area, or connecting elevated points within mountainous recreational zones. Urban skyways very often take the form of Covered bridge, enclosed or covered footbridges that protect pedestrians from the weather. Open-top modern skyways in mountains now often have glass bottoms. Sometimes enclosed urban skywalks are made almost totally from glass, including ceilings, walls and floors. Also, some urban skyways function strictly as linear parks designed for walking.
In North America skyways are usually owned by businesses, and are therefore not public spaces (compare with sidewalk). However, in Asia, such as Bangkok's and Hong Kong's skywalks, they are built and owned separately by the city government, connecting between privately run rail stations or other transport with their own footbridges, and run many kilometers. Skyways usually connect on the first few floors above the ground-level floor, though they are sometimes much higher, as in Petronas Towers. The space in the buildings connected by skyways is often devoted to retail business, so areas around the skyway may operate as a shopping mall. Non-commercial areas with closely associated buildings, such as university campuses, can often have skyways and/or tunnels connecting buildings.
The world's largest discontinuous skyway network – Calgary, Alberta, Canada's "+15, +15 Walkway" system – has a total length of . The Minneapolis Skyway System is the world's largest continuous system and spans connecting 80 blocks in downtown Minneapolis, Minnesota, United States.
On a smaller scale, Airport terminal, terminals of large airports are often connected by skywalk systems, as at Manchester Airport, United Kingdom; in many airports, retractable jet bridges provide a direct connection between airplanes and terminals.
Some cities have the equivalent of a skyway underground, and there are also mixed subway–skyway systems; see underground city.
* Florence, Italy, Vasari Corridor, connects Palazzo Vecchio to Uffizi and then to Palazzo Pitti, 16th century
* Venice, Italy, Bridge of Sighs, connects Doge's Palace, Venice, Doge's Palace and prison, 16th century
* Copenhagen, Denmark: skywalk connecting courts building to adjacent uses, 18th century
* Faaborg, Funen, Denmark: skywalk in centrum, 18th century
The world's highest 2-story skybridge, 170 m above the ground and 58 m long, between the two towers on 41st and 42nd floors in Petronas Twin Towers dual skyscrapers in Kuala Lumpur, Malaysia, which also has an elevated, air-conditioned walkway from the Kuala Lumpur Convention Centre to Bukit Bintang shopping district. Malaysia also has the mountainarian tourist pedestrian glass-bottom Langkawi Sky Bridge in Kedah, Langkawi.
One of the most famous similar cantilevered skybridges, that looks like uppered ship from the bird's-eye and submarine from the ground, known in Singapore's Marina Bay Sands resort complex of skyscrapers.
One of the most impressionable hanging pedestrian skybridges, supported by two giant hands, Golden Bridge (Vietnam), Golden Bridge now attracts tourists in Ba Na Hills near Da Nang, Vietnam.
In Bangkok, Thailand there are more than 5.4 km of covered wide dedicated elevated skywalks with lighting. These were developed due to lack of proper sidewalks as well as street hawkers and local merchants taking advantage of any sidewalk space as makeshift commercial real estate. Common reasons skywalks were built include to avoid street pollution, dust, wetness from food vendors and/or rain, potholes, long queues, crowds, and uneven pavement, supporting urbanism but probably most importantly, tourism receipts. Most skywalks connect to a BTS Skytrain, BTS station and utilize space underneath the rail line and BTS pillar supports. These skywalks have connector ramps which connect stations to malls seamlessly and are paid for by the malls themselves, otherwise the city and BTS fund walkway development.
50km long extension project
was shelved in 2011 due to funding issues, nevertheless the system is growing organically. In Hong Kong, there are numerous foot bridge networks across the city. Particularly large networks exists around elevated or at grade MTR stations and connections between malls and housing estates in new town centers. The largest network spans Admiralty, Hong Kong, Admiralty, Central, Hong Kong, Central and parts of Sheung Wan districts in the CBD and consists of the Central Elevated Walkway, Central Elevated and Central–Mid-Levels escalator, Central–Mid-Levels Walkway systems which link up over 40 major office buildings. The Central–Mid-Levels escalator, Central–Mid-Levels walkway system is the longest outdoor covered escalator system in the world according to Guinness World Records.Central–Mid-Levels escalator#cite note-stairway-9, [9]Central–Mid-Levels escalator#cite note-10, [10] Other large systems exist in Tsuen Wan and Mong Kok. The Mumbai Skywalk Project, India is a discontinuous network of over 50 km of skywalks in Mumbai, Mumbai Metropolitan Region, India. The skyways connect Mumbai Suburban Railway stations to important junctions, each 1 to 2 km in length. The first of these is a 1.3 km (0.8 mi) long skywalk connecting the suburban regions of Bandra and Kurla.Bellman, Eric. (2010-01-19
Packed Streets Have a City of Walkers Looking Skyward for Answers
Online.wsj.com. Retrieved on 2011-09-30. Additionally, short skyways are used to connect buildings in other Asian locations.
Brussels, Belgium has a skyway between the two Belgacom Towers.
London has skywalks on the Barbican Estate and London Wall. The City of London Pedway Scheme was devised as part of the post World War II reconstruction plans for London, it was put into effect mainly from the mid-1950s to the mid-1960s and eventually abandoned by the 1980s. Shad Thames has picturesque skyways between former warehouses, used in part to roll barrels between them.
The twin towers of the Highlight Towers in Munich, Germany are joined by two skyways made of glass and steel.
The Promenade Plantée in the 12th arrondissement of Paris, France includes pedestrian bridges and a linear park on an aqueduct of a former railway.
File:1 oxford bridge of sighs 2012.jpg, Bridge of Sighs (Oxford), Bridge of Sighs in Oxford
File:Cor IMG 4417.JPG, Vasari Corridor in Florence
File:Skybridge1.jpg, The Bridge of Aspiration, a skybridge in Covent Garden, London
File:Hotel Kupa po rekonstrukci.jpg, Hotel Kupa, Prague-Háje (Prague), Háje, Czechia
File:Bochum - Schillerstraße - Bergbaumuseum 03 ies.jpg, German Mining Museum in Bochum
File:SkyBridgeInterlaken.jpg, Skyway in Interlaken, Switzerland
File:Pedestrian overpass in Münster.JPG, A Skyway serving as part of a café, Münster, Germany
File:SkyBridgeMunich.jpg, Skyway in Munich, Bavaria
File:University of Leeds (4th May 2010) 031.jpg, A Brutalist architecture, Brutalist skyway at the University of Leeds, England
File:SkyBridge.JPG, An inside view of the skybridge of Petronas Towers
File:Bridge to Pier 6, Gatwick North Terminal - geograph.org.uk - 74055.jpg, This skyway at London Gatwick Airport is designed to allow aircraft to pass under
File:Calgary Plus 15.jpg, A three-storey bridge at The Core Shopping Centre, Canada, The Core Shopping Centre in Calgary
File:Seattle skyway 6th and pine.jpg, Skyway at 6th Avenue at Pine St in Seattle
File:2006ComputexDay5-17.jpg, The skyway system in Taipei City, Taipei
File:La Promenade Plantée, April 2015 008.jpg, Promenade Plantée in Paris
File:Singapore The Pinnacle@Duxton 03.jpg, The Pinnacle@Duxton in Singapore
A skyway, skybridge, skywalk, or sky walkway is an elevated type of pedway connecting two or more buildings in an urban area, or connecting elevated points within mountainous recreational zones. Urban skyways very often take the form of Covered bridge, enclosed or covered footbridges that protect pedestrians from the weather. Open-top modern skyways in mountains now often have glass bottoms. Sometimes enclosed urban skywalks are made almost totally from glass, including ceilings, walls and floors. Also, some urban skyways function strictly as linear parks designed for walking.
In North America skyways are usually owned by businesses, and are therefore not public spaces (compare with sidewalk). However, in Asia, such as Bangkok's and Hong Kong's skywalks, they are built and owned separately by the city government, connecting between privately run rail stations or other transport with their own footbridges, and run many kilometers. Skyways usually connect on the first few floors above the ground-level floor, though they are sometimes much higher, as in Petronas Towers. The space in the buildings connected by skyways is often devoted to retail business, so areas around the skyway may operate as a shopping mall. Non-commercial areas with closely associated buildings, such as university campuses, can often have skyways and/or tunnels connecting buildings.
The world's largest discontinuous skyway network – Calgary, Alberta, Canada's "+15, +15 Walkway" system – has a total length of . The Minneapolis Skyway System is the world's largest continuous system and spans connecting 80 blocks in downtown Minneapolis, Minnesota, United States.
On a smaller scale, Airport terminal, terminals of large airports are often connected by skywalk systems, as at Manchester Airport, United Kingdom; in many airports, retractable jet bridges provide a direct connection between airplanes and terminals.
Some cities have the equivalent of a skyway underground, and there are also mixed subway–skyway systems; see underground city.
Early examples
* Florence, Italy, Vasari Corridor, connects Palazzo Vecchio to Uffizi and then to Palazzo Pitti, 16th century
* Venice, Italy, Bridge of Sighs, connects Doge's Palace, Venice, Doge's Palace and prison, 16th century
* Copenhagen, Denmark: skywalk connecting courts building to adjacent uses, 18th century
* Faaborg, Funen, Denmark: skywalk in centrum, 18th century
Environmental factors
Besides pedestrian safety and convenience, the chief reasons assigned by urban planners for skywalk development are decrease of traffic congestion, reduction in roadway air dispersion modeling, vehicular air pollution and separation of people from roadway noise, vehicular noise. A number of cities (for example, Spokane, Washington) have given intricate analysis to skywalk systems employing computer simulation, computer models to optimize skywalk layout.Negative impacts
There is debate about the negative impact on urban areas of skyways. Robertson (1988) noted the negative impacts to street activities, and reductions to the property value at ground level. Woo (2012) found that skywalk systems could be negatively associated with promoting consumerism. Cui (2015) called for more research into the impact of skyways in developing countries.Cities with notable systems
North America
There are significant skyway networks in many cities in the Midwest, US Midwest, such as Minneapolis, Saint Paul, Minnesota, Saint Paul, Des Moines, Cedar Rapids, Rochester, Minnesota, Rochester, and Duluth, Minnesota, Duluth. Most networks in North America are privately owned. Notable exceptions are skyways in Saint Paul, MN, Saint Paul and in New York City, New York (High Line), which are publicly owned.Asia
Record holders
The highest cantilevered skybridge between separate buildings in the world is in the Raffles City Chongqing skyscrapers complex in Chongqing, China. The world's longest pedestrian hanging skywalk, at 430 meters, is the Zhangjiajie Glass Bridge, which sits between mountain peaks in China. The highest cantilevered skybridge as construction element of building exist atop of Kingdom Centre in Riyadh, Saudi Arabia.
The world's highest 2-story skybridge, 170 m above the ground and 58 m long, between the two towers on 41st and 42nd floors in Petronas Twin Towers dual skyscrapers in Kuala Lumpur, Malaysia, which also has an elevated, air-conditioned walkway from the Kuala Lumpur Convention Centre to Bukit Bintang shopping district. Malaysia also has the mountainarian tourist pedestrian glass-bottom Langkawi Sky Bridge in Kedah, Langkawi.
Other examples
One of the most famous similar cantilevered skybridges, that looks like uppered ship from the bird's-eye and submarine from the ground, known in Singapore's Marina Bay Sands resort complex of skyscrapers.
One of the most impressionable hanging pedestrian skybridges, supported by two giant hands, Golden Bridge (Vietnam), Golden Bridge now attracts tourists in Ba Na Hills near Da Nang, Vietnam.
In Bangkok, Thailand there are more than 5.4 km of covered wide dedicated elevated skywalks with lighting. These were developed due to lack of proper sidewalks as well as street hawkers and local merchants taking advantage of any sidewalk space as makeshift commercial real estate. Common reasons skywalks were built include to avoid street pollution, dust, wetness from food vendors and/or rain, potholes, long queues, crowds, and uneven pavement, supporting urbanism but probably most importantly, tourism receipts. Most skywalks connect to a BTS Skytrain, BTS station and utilize space underneath the rail line and BTS pillar supports. These skywalks have connector ramps which connect stations to malls seamlessly and are paid for by the malls themselves, otherwise the city and BTS fund walkway development. 50km long extension project
was shelved in 2011 due to funding issues, nevertheless the system is growing organically. In Hong Kong, there are numerous foot bridge networks across the city. Particularly large networks exists around elevated or at grade MTR stations and connections between malls and housing estates in new town centers. The largest network spans Admiralty, Hong Kong, Admiralty, Central, Hong Kong, Central and parts of Sheung Wan districts in the CBD and consists of the Central Elevated Walkway, Central Elevated and Central–Mid-Levels escalator, Central–Mid-Levels Walkway systems which link up over 40 major office buildings. The Central–Mid-Levels escalator, Central–Mid-Levels walkway system is the longest outdoor covered escalator system in the world according to Guinness World Records.Central–Mid-Levels escalator#cite note-stairway-9, [9]Central–Mid-Levels escalator#cite note-10, [10] Other large systems exist in Tsuen Wan and Mong Kok. The Mumbai Skywalk Project, India is a discontinuous network of over 50 km of skywalks in Mumbai, Mumbai Metropolitan Region, India. The skyways connect Mumbai Suburban Railway stations to important junctions, each 1 to 2 km in length. The first of these is a 1.3 km (0.8 mi) long skywalk connecting the suburban regions of Bandra and Kurla.Bellman, Eric. (2010-01-19
Packed Streets Have a City of Walkers Looking Skyward for Answers
Online.wsj.com. Retrieved on 2011-09-30. Additionally, short skyways are used to connect buildings in other Asian locations.
Europe
Brussels, Belgium has a skyway between the two Belgacom Towers.
London has skywalks on the Barbican Estate and London Wall. The City of London Pedway Scheme was devised as part of the post World War II reconstruction plans for London, it was put into effect mainly from the mid-1950s to the mid-1960s and eventually abandoned by the 1980s. Shad Thames has picturesque skyways between former warehouses, used in part to roll barrels between them.
The twin towers of the Highlight Towers in Munich, Germany are joined by two skyways made of glass and steel.
The Promenade Plantée in the 12th arrondissement of Paris, France includes pedestrian bridges and a linear park on an aqueduct of a former railway.
Australia
* Melbourne, Australia, four blocks and AirportGallery
See also
* Footbridge#Catwalk, Catwalk – A narrow footbridge or walkway to allow workers access to parts of a structure * Footbridge – A bridge for pedestrians * Hyatt Regency walkway collapse – A failure of an internal skyway * Overpass – A bridge, road or railway crossing over another road or railway * Pedestrian separation structure – Any structure which separates pedestrians from the roadway * Pedway – Pedestrian walkways, includes both skyways and underground walkways * Sidewalk – Pedestrian path along the side of a roadReferences
External links
* {{Authority control Skyways, Covered bridges, Bridges Pedestrian infrastructure Rooms Urban studies and planning terminology