Roadblock

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Concrete barrier
Concrete barrier
Roadblock in the West Bank
Roadblock in the West Bank
Polish barricade during the Warsaw Uprising (1944)
Polish barricade during the Warsaw Uprising (1944)

A roadblock is a temporary installation set up to control or block traffic along a road. The reasons for one could be:

In peaceful circumstances, they are usually instantiated 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.

A road stub  This road-related article is a stub. You can help Wikipedia by expanding it.
Retrieved from "http://en.wikipedia.org/wiki/Roadblock"
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