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  3. a four-lane divided highway in suburban area has t

A four-lane divided highway in suburban area has the following criteria: • Average grade is less than 2% (level Terrain) • Posted speed...

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Civil Engineering

Afour-lane divided highway in suburban area has the followingcriteria:

•Averagegrade is less than 2% (level Terrain)
•Postedspeed 55 MPH
•11 ftlanes, 4 ft left and 4 ft right clearance
•9%heavy vehicle
•Accessspacing is 500 ft
•DirectionalDesign Hour Volume = 2600 vph
•PHF =0.92

Findthe level of service for the highway

Answer & Explanation Solved by verified expert
4.2 Ratings (489 Votes)
Given Base free flow speed BFFS 55 mph Lane width 11 ft Reduction in speed corresponding to lane width fLW 19 mph Total Lateral Clearance 8 ft Reduction    See Answer
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