highway engineering 3 decimal places 13.A vehicle is approaching a railroad track at a speed of 45 mph.The train approaches at a speed of 60 mph. Assume AASHTOrecommended design values for perception-reaction time. Thestop line is located 15 ft from the near side rail, and the driver islocated 5 ft back from the front bumper of the vehicle.a. What is the required sight triangle distance (m) along therailroad track for the vehicle to stop if the length of the vehicle27.5 ft?b. What is the required sight triangle distance (ft) along thehighway for a vehicle to stop at the stop line for an approachingtrain?

According to AASHTO Green Book stopping sight distance for car driver is determined using…

Answered: railroad track at a speed of eed of 60…

Engineering

Civil Engineering

railroad track at a speed of eed of 60 mph. Assume

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Design of pavements

Pavement is a structure that is made up of different layers such as sub-base course layer, base course layer, binder course, and a surface course formed with different materials such as gravel, above the subgrade soil constructed to act as a path or carriageway enabling the movement of vehicles. The surface of the pavement should possess characteristics such as adequate friction, light reflection, and drainage. The pavements are classified based on structural design into rigid pavements, flexible pavements, composite pavements, and unpaved pavements. The process of determining a suitable pavement type, its constituent layers, and its thickness is called pavement design.

Question

highway engineering

3 decimal places

13.
A vehicle is approaching a railroad track at a speed of 45 mph.
The train approaches at a speed of 60 mph. Assume AASHTO
recommended design values for perception-reaction time. The
stop line is located 15 ft from the near side rail, and the driver is
located 5 ft back from the front bumper of the vehicle.
a. What is the required sight triangle distance (m) along the
railroad track for the vehicle to stop if the length of the vehicle
27.5 ft?
b. What is the required sight triangle distance (ft) along the
highway for a vehicle to stop at the stop line for an approaching
train?

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