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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
- Protests
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.<ref>Who Approves of Those Who Block Roads to Protest in the Americas? http://www.vanderbilt.edu/lapop/insights/IO921en.pdf</ref><ref>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)</ref>
- Roadblock in Palestine.jpg
Roadblock in the West Bank
- Barykada.jpg
Polish barricade during the Warsaw Uprising (1944)
- Roadblocks.jpg
Roadblock during roadworks at Hisingen, Sweden, 2013
- London November 23 2018 (19) Extinction Rebellion Protest Tower Hill.jpg
'Swarming roadblocks' Extinction Rebellion, (UK) (23 November 2018).
See alsoEdit
- Road traffic control
- Barricade
- Boom barrier
- Braess's paradox
- Illinois v. Lidster
- Safety barrier
- Traffic break