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NO PASSING ZONES: WAYS TO LOCATE AND DOCUMENT THEM

R J Waldorf

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Abstract

A step-by-step procedure is used to explain the determination of no passing zones and the documentation of the data. Two different methods are used in New Jersey to locate and document no passing zones. In each method, the design provides for skip lines indicating that a clear line of sight was determined along the roadway, beginning at the driver's eye and extending to the point of minimum design sight distance. Standard design criteria are tabulated and then graphically explained. The details are given of the 2-car target method which produces 7 to 14 miles of roadway survey in 6 hours, and the lone method which covers 5 to 7 miles in 6 hours. The presurvey and survey methods which are applicable to both techniques are outlined, and the design drawing procedure is described.

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What this paper is about

A step-by-step procedure is used to explain the determination of no passing zones and the documentation of the data. Two different methods are used in New Jersey to locate and document no passing zones. In each method, the design provides for skip lines indicating that a clear line of sight was determined along the roadway, beginning at the driver's eye and extending to the point of minimum design sight distance. Standard design criteria are tabulated and then graphically explained. The details are given of the 2-car target method which produces 7 to 14 miles of roadway survey in 6 hours, and the lone method which covers 5 to 7 miles in 6 hours. The presurvey and survey methods which are applicable to both techniques are outlined, and the design drawing procedure is described.

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Available abstract

A step-by-step procedure is used to explain the determination of no passing zones and the documentation of the data. Two different methods are used in New Jersey to locate and document no passing zones. In each method, the design provides for skip lines indicating that a clear line of sight was determined along the roadway, beginning at the driver's eye and extending to the point of minimum design sight distance. Standard design criteria are tabulated and then graphically explained. The details are given of the 2-car target method which produces 7 to 14 miles of roadway survey in 6 hours, and the lone method which covers 5 to 7 miles in 6 hours. The presurvey and survey methods which are applicable to both techniques are outlined, and the design drawing procedure is described.

Key concepts: Sight, Documentation, Point (geometry), Computer science, Line (geometry), Engineering drawing, Computer graphics (images), Information retrieval

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