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highway has two lanes in each direction. The lane width is sight is located at 140 ft from the edge of the right lane

highway has two lanes in each direction. The lane width is sight is located at 140 ft from the edge of the right lane

Traffic and Highway Engineering
Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter15: Geometric Design Of Highway Facilities
Section: Chapter Questions
Problem 13P
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Question
A horizontal curve has a radius of 750 ft, measured to the centerline of the highway. The highway has two lanes in each direction. The lane width is 12.0 ft. A billboard blocking driver's sight is located at 14.0 ft from the edge of the right lane. Calculate the available sight distance (to the nearest ft).
Transcribed Image Text:A horizontal curve has a radius of 750 ft, measured to the centerline of the highway. The highway has two lanes in each direction. The lane width is 12.0 ft. A billboard blocking driver's sight is located at 14.0 ft from the edge of the right lane. Calculate the available sight distance (to the nearest ft).
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