Passing Lanes and Other Operational Improvements on Two-lane Highways PDF Download

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Passing Lanes and Other Operational Improvements on Two-lane Highways

Passing Lanes and Other Operational Improvements on Two-lane Highways PDF Author: Douglas W. Harwood
Publisher:
ISBN:
Category : Highway engineering
Languages : en
Pages : 144

Book Description
Many two-lane highways in rural areas experience operational problems related to high traffic volumes; lack of adequate passing opportunities; slow-moving vehicles on grades and in rolling terrain; roadside development that generates turning maneuvers at driveways; and turning movements at intersections. This report evaluates five operational aids or treatments intended to alleviate these problems including: passing lanes, short four-lane sections, shoulder use sections, turnouts, and two-way left-turn lanes. The report reviews current signing, marking, and design practices used for these operational treatments in 13 states that participated in the study.
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