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A roadblock is a temporary installation set up to control or block traffic along a road. The reasons for one could be: *Roadworks *Temporary road closure during special events *Police chase *Robbery *Sobriety checkpoint In peaceful circumstances, they are usually installed by the police or road transport authorities; they are also commonly employed during wars and are usually staffed by heavily armed soldiers in that case. During protests and riots, both police and demonstrators sometimes use roadblocks.〔Who Approves of Those Who Block Roads to Protest in the Americas? http://www.vanderbilt.edu/lapop/insights/IO921en.pdf〕〔(Clearing the Path for Land Rights, One Road Block at a Time: How Peru’s Indigenous Population can Assert Their Land Rights Against Peru’s Government ), 1 Global Bus. L. Rev. 229 (2010-2011)〕 File:Roadblock in Palestine.jpg|Roadblock in the West Bank File:Barykada.jpg|Polish barricade during the Warsaw Uprising (1944) File:Pink bunny-shaped roadblock.jpg|Pink bunny-shaped roadblock in Narita (Japan) File:Roadblocks.jpg|Roadblock during roadworks at Hisingen, Sweden, 2013 ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「roadblock」の詳細全文を読む スポンサード リンク
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