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(a)
Suitable design speed for the rural collector highway.
Answer to Problem 1P
Explanation of Solution
Given information:
In mountains terrain is designed to carry volume of
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For a rural collector highway located in mountains terrain is designed to carry a design volume
From the table the design speed for
(b)
Lane and usable shoulder lengths for the rural collector highway.
Answer to Problem 1P
Lane=
Shoulder =
Explanation of Solution
Given information:
In mountains terrain is designed to carry volume of
For a rural collector highway located in mountains terrain is designed to carry a design volume
![MindTap Engineering for Garber/Hoel's Traffic and Highway Engineering, 5th Edition, [Instant Access], 1 term (6 months), Chapter 15, Problem 1P , additional homework tip 2](https://content.bartleby.com/tbms-images/9781305156241/Chapter-15/images/html_56241-15-1p_2.png)
From the figure
Width of shoulder is total
(c)
Maximum desirable grade for the rural collector highway.
Answer to Problem 1P
Maximum desirable grade=
Explanation of Solution
Given information:
In mountains terrain is designed to carry volume of
![MindTap Engineering for Garber/Hoel's Traffic and Highway Engineering, 5th Edition, [Instant Access], 1 term (6 months), Chapter 15, Problem 1P , additional homework tip 3](https://content.bartleby.com/tbms-images/9781305156241/Chapter-15/images/html_56241-15-1p_3.png)
From the Table
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Chapter 15 Solutions
MindTap Engineering for Garber/Hoel's Traffic and Highway Engineering, 5th Edition, [Instant Access], 1 term (6 months)
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Traffic and Highway EngineeringCivil EngineeringISBN:9781305156241Author:Garber, Nicholas J.Publisher:Cengage Learning