(CIVL262)2009_s_CIVL262-Quiz5-solution_by_PPSpider[1]

(CIVL262)2009_s_CIVL262-Quiz5-solution_by_PPSpider[1] -...

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CIVL 262 – Introduction to Transportation System Tutorial Quiz 5 13 Mar2009 N a m e : S t u d e n t I D : Level of Service QUESTION 1 A four-lane freeway (two lanes in each direction) is located on a rolling terrain and has a design speed of 60 mph, 12ft lanes, and no lateral obstructions within 8ft of pavement edges. The traffic stream consists of cars and trucks only (no buses or recreational vehicles). A weekday peak-hour volume of 1800 vehicles is observed with 500 arriving in the most congested 15-min period. If a level of service no worse than C is desired, determine the maximum number of trucks that can be present in the peak-hour traffic volume.
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