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Exit 63 of I-90 includes a tight loop ramp with a radius 250 ft. The advisory exit speed is 30 mph. how much superelevation needs to be provided to allow safe travel on this exit ramp? stay with the same units, I got e = 0.44, just want to double check

Exit 63 of I-90 includes a tight loop ramp with a radius 250 ft. The advisory exit speed is 30 mph. how much superelevation needs to be provided to allow safe travel on this exit ramp? stay with the same units, I got e = 0.44, just want to double check

Traffic and Highway Engineering
Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter7: Intersection Design
Section: Chapter Questions
Problem 10P
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Exit 63 of I-90 includes a tight loop ramp with a radius 250 ft. The advisory exit speed is 30 mph. how much superelevation needs to be provided to allow safe travel on this exit ramp? stay with the same units, I got e = 0.44, just want to double check
Transcribed Image Text:Exit 63 of I-90 includes a tight loop ramp with a radius 250 ft. The advisory exit speed is 30 mph. how much superelevation needs to be provided to allow safe travel on this exit ramp? stay with the same units, I got e = 0.44, just want to double check
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