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5. A horizontal curve on a six-lane highway has a radius of 1400 ft and 12 ft per lane. The highway was designed with a speed of 50 mph. Determine the clearance required from the edge of the roadway to comply with the SSD.

5. A horizontal curve on a six-lane highway has a radius of 1400 ft and 12 ft per lane. The highway was designed with a speed of 50 mph. Determine the clearance required from the edge of the roadway to comply with the SSD.

Structural Analysis
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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Answer question 5
5. A horizontal curve on a six-lane highway has a radius of 1400 ft and 12 ft per lane. The highway was designed with a speed of 50 mph. Determine the clearance required from the edge of the roadway to comply with the SSD. 6. A grade g₁ of +3.50% intersects grade g2 of -2.50% and an equal-tangent curve is desired. A two-way road with a design speed is 65 mph. What is the minimum length the curve must have, to comply with stopping sight distance requirements? (Assume you can use the K tables for 0%).
Transcribed Image Text:5. A horizontal curve on a six-lane highway has a radius of 1400 ft and 12 ft per lane. The highway was designed with a speed of 50 mph. Determine the clearance required from the edge of the roadway to comply with the SSD. 6. A grade g₁ of +3.50% intersects grade g2 of -2.50% and an equal-tangent curve is desired. A two-way road with a design speed is 65 mph. What is the minimum length the curve must have, to comply with stopping sight distance requirements? (Assume you can use the K tables for 0%).
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