Traffic And Highway Engineering
5th Edition
ISBN: 9781337631020
Author: Garber, Nicholas J.
Publisher: Cengage,
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Chapter 1, Problem 13P
To determine
The major transportation engineering subspecialties incorporated in most of the department.
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Given Data
Initial Road Design:
• Design speed: 85 km/h
•
•
Radius of both circular arcs: R
= 845 m
=
0.44 m/s³
= 250 m
•
Rate of gain of radial acceleration on all transitions: q
Length of straight section between the curves: Lstr
Redesigned Road:
New design speed: 120 km/h
• New radius: R'
= 2500 m
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Traffic And Highway Engineering
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