4-sample problems.pdf - Chapter 4 Sample Problems CE 105...

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Chapter 4. Sample ProblemsCE 105Transportation Engineering
Freeway Segment LOSA six-lane urban freeway (three lanes in each direction) is on rolling terrain with 3.3-m lanes, obstructions 0.6 m from the right edge of the traveled pavement, and nine ramps within 5 kilometers upstream and 5 kilometers downstream of the midpoint of the analysis segment. The traffic stream consists primarily of commuters. A directional weekday peak- hour volume of 2300 vehicles is observed, with 700 vehicles arriving in the most congested 15-min period. If the traffic stream has 15% large trucks and buses and no recreational vehicles, determine the level of service.

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