Design Consistency Index for Two-lane Roads based on Continuous Speed Profiles
نویسندگان
چکیده
منابع مشابه
Passing Lane Effectiveness on Two-Lane Roads
IN T R O D U C T IO N A passing lane is an added lane provided in one or both directions of travel on a conventional tw o-lane highw ay to im prove passing oppo r tunities. T his definition includes passing lanes in level or rolling terra in , clim bing lanes on grades, and short four-lane sections. T he length of the added lane can vary from 1,000 feet as m uch as 3 miles. Figure 1 illustrate...
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Design consistency refers to the conformance of a highway's geometry with driver expectancy. Drivers make fewer errors in the vicinity of geometric features that conform with their expectations. Techniques to evaluate the consistency of a design documented within this report include alignment indices, speed distribution measures, and driver workload. Alignment indices are quantitative measures ...
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To assist in the on-going effort to reduce road fatalities as much as possible, this paper presents a new methodology to evaluate road safety in both the design and redesign stages of two-lane rural highways. This methodology is based on the analysis of road geometric design consistency, a value which will be a surrogate measure of the safety level of the two-lane rural road segment. The consis...
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ژورنال
عنوان ژورنال: PROMET - Traffic&Transportation
سال: 2018
ISSN: 1848-4069,0353-5320
DOI: 10.7307/ptt.v30i2.2573