Determine the impact factor for a highway curve having a radius of 1,600 ft and rmaximum design speed of 58 kph. Express your answer in 4 decimal places.
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A: Given data : Superelevation (e)=0.08Design speed (U)=60 mi/h
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A: Solution Given Data V=45mph= 1.609*45=72.405 km/h=20.056 m/s e=4% d= 12 feet= 12*0.3048=3.65 m
Q: Determine the minimum radius of a horizontal curve required for a highway if the design speed is 96…
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- Question 5a) As the Area Engineer of Ghana Highway Authority, a lot a complains from drivers and passengers have come to you concerning an uncomfortable weight loss sensation usually experienced at a particular sag curve. You have therefore been tasked to redesign this sag curve to eliminate the weight loss sensation. How would you achieve this objective?An engineering student at MLQU is driving on alevel roadway and sees a construction sign 600 feet ahead Ithe middle of the roadway. The student strikes the sign at aspeed of 35 mph. If the student was travelling at 55 mph whenthe sign was first spotted, what was the student’s associatedperception/reaction time in sec? Assume that the decelerationis 11.2 ft/s?The 4 northbound lanes of a rural freeway segment have 13 ft lane widths. There is no lateral clearance afforded on either side of the road. There are no ramps within the area of influence. What is the estimated FFS (mph)? Provide your answer to the nearest tenths.
- 28 pedestrians per cycle (both directions combined) use a crosswalk to cross a 72-ft wide street. The width of the crosswalk is 11 ft. If the walking speed is 3.5 ft/s, how much τi,ps should be allocated so that the pedestrians can safely cross? Group of answer choices 31.0 sec 21.2 sec 56 sec 52.8 secHow would the following conditions affect the minimum stopping sight distance requirement? i. A drunk driver ii. A slippery road surface28.If the coefficient of friction between vehicles and the roadway is 0.4 and the radius ofthe curvature of the road is 30 meters, what is the maximum speed allowable if there isno banking?
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- Determine the superelevation of a road section on an urban area with a design speed of 110kph, and Rmin=630m. What can you say about the computed value of e?Transportation Engineering Determine the median speed, the modal speedA highway crew measures the radius of curvature at a tight corner in a highway as 900 feet. What is the maximum safe speed?