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fili20
08.11.2019 • 
Engineering

Anorthbound two-lane (one direction) segment of freeway currently has a measured density of 32.0 pc/mi/ln and a measured free-flow speed of 65 mi/hr. the peak-hour factor is 0.95, the traffic stream contains 7% single-unit trucks and 3% tractor-trailer trucks. the freeway segment is a on 3.5% upgrade that is ¾ of a mile long. with the peak hour factor unchanged, how many trucks (assuming the same st/tt split and et_new = 2.35) can be added to the peak hour factor before capacity is reached?

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