Difference between revisions of "Subway"

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[[Category:Urban object]][[Category:Mobility]]
 
[[Category:Urban object]][[Category:Mobility]]
A '''subway''' system or [[Mass transport|mass rapid transit]], underground, elevated railway, metro or metropolitan railway system is an electric passenger railway in an urban area with a high capacity and frequency, and grade separation from other traffic<ref>From: http://en.wikipedia.org/wiki/Rapid_transit. Retrieved on April 5, 2012</ref>. Due the large flows of people, the relatively ‘openness’ of the systems and the potential to cause large-scale disruption and fear , subway systems are very vulnerable for [[Security|security threats]].
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[[image:Metro_Allende.png|thumb|right|300px|metro in Allende]]A '''subway''' system or [[Mass transport|mass rapid transit]], underground, elevated railway, metro or metropolitan railway system is an electric passenger railway in an urban area with a high capacity and frequency, and grade separation from other traffic<ref>From: http://en.wikipedia.org/wiki/Rapid_transit. Retrieved on April 5, 2012</ref>. Due the large flows of people, the relatively ‘openness’ of the systems and the potential to cause large-scale disruption and fear , subway systems are very vulnerable for [[Security|security threats]].
   
 
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Latest revision as of 12:20, 28 May 2015

metro in Allende

A subway system or mass rapid transit, underground, elevated railway, metro or metropolitan railway system is an electric passenger railway in an urban area with a high capacity and frequency, and grade separation from other traffic[1]. Due the large flows of people, the relatively ‘openness’ of the systems and the potential to cause large-scale disruption and fear , subway systems are very vulnerable for security threats.

Footnotes and references

  1. From: http://en.wikipedia.org/wiki/Rapid_transit. Retrieved on April 5, 2012