In which type of transportation survey, the vehicles are stopped on a sampling basis and information is collected on the type of vehicle, origin, destination, trip purpose, etc?
Explanation: Origin and Destination studies:This study is generally carried out to; (i) Plan the road network and other facilities for vehicular traffics. (ii) Plan the schedule of different modes of transportation for the trip demand. (iii) To judge the adequacy of existing routes and to use in planning new networks to roads. (iv) To locate expressway or major routes along the desire line (v) To establish preferential routes for various categories to vehicles including bypass. (vi) It is also used for mass rapid transit systems. There is a number of methods for collecting the O and D data; (i) Roadside interview method (ii) License plate method (iii) Return post car method (iv) Tag on car method (v) Home interview method (vi) Work spot interview method Roadside interview survey: In this type of survey vehicles are stopped by authorities for information collection like the type of vehicle, origin and destination, trip purpose, etc.