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A 6° curve (measured at the centerline of the inside lane) is being designed for a highway with a design speed of 65 MPH. The curve is on a 2 percent upgrade. Driver reaction time and deceleration rate may be taken as 2.5 sec and 11.2 ft/s², respectively. What is the closest any roadside object may be placed to the centerline of the inside lane of the roadway while maintaining adequate stopping sight distance?

A 6° curve (measured at the centerline of the inside lane) is being designed for a highway with a design speed of 65 MPH. The curve is on a 2 percent upgrade. Driver reaction time and deceleration rate may be taken as 2.5 sec and 11.2 ft/s², respectively. What is the closest any roadside object may be placed to the centerline of the inside lane of the roadway while maintaining adequate stopping sight distance?

Traffic and Highway Engineering
Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter3: Characteristics Of The Driver, The Pedestrian, The Bicyclist, The Vehicle, and The Road
Section: Chapter Questions
Problem 20P
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A 6° curve (measured at the centerline of the inside lane) is being designed for a highway with a design speed of 65 MPH. The curve is on a 2 percent upgrade. Driver reaction time and deceleration rate may be taken as 2.5 sec and 11.2 ft/s², respectively. What is the closest any roadside object may be placed to the centerline of the inside lane of the roadway while maintaining adequate stopping sight distance?
Transcribed Image Text:A 6° curve (measured at the centerline of the inside lane) is being designed for a highway with a design speed of 65 MPH. The curve is on a 2 percent upgrade. Driver reaction time and deceleration rate may be taken as 2.5 sec and 11.2 ft/s², respectively. What is the closest any roadside object may be placed to the centerline of the inside lane of the roadway while maintaining adequate stopping sight distance?
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