Question 4. Provide a sketch of a typical cross section of a rural highway described below: Two-lane two-way highway 12 ft lanes @ 2% cross-slope 4ft shoulders @ 4% cross-slope Front slope = 1:4 Back slope = 1:3 %3D %3D Ditch depth = 3ft Ditch width = 1ft %3D %3D

Question 4. Provide a sketch of a typical cross section of a rural highway described below: Two-lane two-way highway 12 ft lanes @ 2% cross-slope 4ft shoulders @ 4% cross-slope Front slope = 1:4 Back slope = 1:3 %3D %3D Ditch depth = 3ft Ditch width = 1ft %3D %3D

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter14: Highway Surveys And Location

Section: Chapter Questions

Problem 14P

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Concept explainers

Traverse Survey

Traverse surveying is a popular method of surveying. Traversing is that type of survey where several connected survey lines form a framework and the directions and lengths of the survey lines are measured with the help of a tool to measure angles and tape or chain respectively. Traverse networks involve placing survey stations in a queue or trail and using pre-tested points as a basis for looking at the next point. This type of surveying is different from Tacheometric surveying, where only angles are measured and the process of chaining is reduced.

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