The external cordon and screenline surveys
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The object of the external cordon survey is to obtain information on the trips originating outside the external cordon having origins within the external cordon or passing through the survey area.
KeywordsPolice Officer Traffic Flow Survey Area Personal Business Traffic Engineer
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- 1.Transport Road Research Laboratory, Research on Road Traffic, Chapter 4, HMSO, London (1965)Google Scholar
- 2.Department of Transport, Traffic Surveys by Roadside Interview, Advice Note TA/11/81, London (1981)Google Scholar
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