Effect of pavement condition on multilane highway free flow speed

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Jordan University of Science and Technology, Jordan [1 ]
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ITE J | / 8卷 / 31-36期
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Highway engineering;
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摘要：
Multilane highways are highways with two or more lanes in each direction that are either undivided or divided by medians or two-way left turn lanes. Free flow speed (FFS) has been adjusted to a non-ideal road condition in the Highway Capacity Manual (HCM) from the early 1990s. The HCM methodology for multilane highway level of service (LOS) analysis depends mainly on the FFS estimation. The effect of pavement condition on FFS and to develop models for estimation of FFS on suburban and rural multilane highways in Jordan is investigated extensively to examine this aspect.
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