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Type I, II and III barricades are commonly used for road detours and closings where vehicles are present. A-frame barricades are more typically seen where pedestrian traffic control is needed or used on low speed roads.
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In addition to the more traditional traffic barricades mentioned above, there are several other categories of barricades that get used regularly for traffic channelization, including
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or block access to an area, generally for safety purposes. Traditionally made of wood, or wood and steel, many now have structural members made wholly of plastic or
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resembles a sawhorse that can be folded flat. Type I indicates sheeting on top; Type II has sheeting on top and bottom.
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The obstruction that necessitates the use of a traffic barricade may be excavations,
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201:"2009 Edition Chapter 6F. Temporary Traffic Control Zone Devices"
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20:An A-frame traffic barricade used by the
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83:with a brightly painted top rail.
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189:. trafficsafetywarehouse.com.
35:used to control the flow of
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88:Type I (or II) barricade
22:Boston Police Department
92:waffle-board barricade
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154:. sourcesecurity.com.
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187:"Traffic Barricades"
152:"Traffic Barricades"
66:Types of barricades
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99:Type III barricade
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168:. Trans Supply
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172:2013-11-16
138:References
52:roadblocks
33:barricade
121:See also
81:sawhorse
37:traffic
56:debris
232:stub
97:The
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