Special Origin and Destination Study Cedar County prepared by Traffic and Highway Planning Department, Iowa State Highway Commission, December 1962

The purpose of this study is to present an analysis of the average 1962 December weekday traffic crossing the Cedar River at the Cedar Bluff and Cedar Valley bridges in Cedar County. To obtain data used in this study, vehicle drivers crossing the Cedar Bluff and Cedar Valley bridges were interviewed during a sixteen hour period from 2 PM until 10 PM on December 4, 1962, and from 6 AM until 2 PM on December 5, 1962 . Each driver was asked the origin, destination, and purpose of his trip. The interviewer also recorded the direction of travel , type of vehicle state of registration, county of registration of Iowa vehicles, and the number of occupants in the vehicle. Automatic traffic recorders were used to aid in expanding the 16 hour interviews to an average 1962 December weekday traffic volume. The results of the study are presented in the charts and tables described in the following paragraphs