Evaluation of the Nevada DOT Rest Area System PDF Download
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Author: Jonathan J. Kay
Publisher:
ISBN:
Category : Automobile drivers
Languages : en
Pages : 0
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Book Description
Research was conducted to inform decisions related to the system of public rest area facilities owned by the Nevada Department of Transportation (NDOT). The initial steps of the research included collection of data related to the NDOT highway network (including road segment information, traffic volumes, and crashes), NDOT rest areas (including rest areas, basic rest stops, and welcome centers), and private facilities with comparable traveler services (e.g., bathrooms). These data were then analyzed to identify areas of unmet needs (i.e., service gaps) along the NDOT highway network that may be addressed by the inclusion of a new rest area facility or improvement to an existing facility. Additionally, the research also analyzed the safety performance impacts of roadside rest areas on the NDOT highway network. Based on these analyses, recommendations were made regarding: 1.) existing rest area facilities that should continue to be maintained at current levels, 2.) existing facilities that should be improved or relocated to fill gaps in traveler services and reduce crashes, and 3.) areas along the NDOT highway network where potential new facilities may be considered to fill gaps in traveler services and reduce crashes. The recommendations were based on meeting the needs of travelers on the NDOT highway network, with consideration given to the availability of both NDOT rest areas and comparable private facilities. To help prioritize the recommendations, benefit/cost ratios were computed to determine the economic viability for each proposed facility improvement by weighing the benefits to Nevada highway users against agency costs for each facility. A final list of recommended facility improvements was developed considering only those options that resulted in a benefit/cost ratio greater than 1.0.
Author: Jonathan J. Kay
Publisher:
ISBN:
Category : Automobile drivers
Languages : en
Pages : 0
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Book Description
Research was conducted to inform decisions related to the system of public rest area facilities owned by the Nevada Department of Transportation (NDOT). The initial steps of the research included collection of data related to the NDOT highway network (including road segment information, traffic volumes, and crashes), NDOT rest areas (including rest areas, basic rest stops, and welcome centers), and private facilities with comparable traveler services (e.g., bathrooms). These data were then analyzed to identify areas of unmet needs (i.e., service gaps) along the NDOT highway network that may be addressed by the inclusion of a new rest area facility or improvement to an existing facility. Additionally, the research also analyzed the safety performance impacts of roadside rest areas on the NDOT highway network. Based on these analyses, recommendations were made regarding: 1.) existing rest area facilities that should continue to be maintained at current levels, 2.) existing facilities that should be improved or relocated to fill gaps in traveler services and reduce crashes, and 3.) areas along the NDOT highway network where potential new facilities may be considered to fill gaps in traveler services and reduce crashes. The recommendations were based on meeting the needs of travelers on the NDOT highway network, with consideration given to the availability of both NDOT rest areas and comparable private facilities. To help prioritize the recommendations, benefit/cost ratios were computed to determine the economic viability for each proposed facility improvement by weighing the benefits to Nevada highway users against agency costs for each facility. A final list of recommended facility improvements was developed considering only those options that resulted in a benefit/cost ratio greater than 1.0.
Author:
Publisher:
ISBN:
Category : Archaeological surveying
Languages : en
Pages : 8
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Book Description
Author:
Publisher:
ISBN:
Category : Roadside rest areas
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Traffic safety
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Transportation
Languages : en
Pages : 50
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Author: Anabel Hernandez
Publisher:
ISBN:
Category : Electronic books
Languages : en
Pages : 180
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Book Description
The efficient allocation of funding for transportation projects is crucial for Nevada’s roadway system. Well-established prioritization frameworks are needed in order to accomplish the allocation of funding for projects that will provide the most benefit for its users. In Nevada, the Nevada Department of Transportation’s (NDOT’s) Performance Analysis Division conducts benefit-cost analysis (BCA) on all capacity projects equal to or exceeding $25 million. In recent years NDOT has used the California Life-Cycle Benefit-Cost Analysis Model (Cal-B/C) as part of their prioritization process. The Cal-B/C Model was developed by the California Department of Transportation (Caltrans). The default economic parameters in this model along with the economic parameters assigned by NDOT were used to run analysis on two projects in the state. This was completed to see how suitable Cal-B/C’s parameters would be for use in Nevada since Cal-B/C’s parameters are specific for California. This thesis also provides recommendations on updating the current economic parameters to better model Nevada’s situation since certain parameters assigned by NDOT were still based on California data. Through a review of existing methodologies used across the country new parameter recommendations were made. Furthermore, an investigation of available BCA software was also conducted to determine if other programs apart from Cal-B/C can meet NDOT’s analysis needs. The two projects selected for the case study were then analyzed using Cal-B/C, BCA.net, and the American Association of State Highway and Transportation Officials (AASHTO) Redbook Wizard. The results of the analysis showed that substantial differences in results did exist when the different models were used. Cal-B/C results were the highest followed by BCA.net. The results from the AASHTO Redbook were not favorable in either analysis. The different methodologies used by the software and the level of detailed information can be attributed to the differences in results. NDOT should continue to use Cal-B/C for general transportation projects where localized benefits will be obtained but NDOT should consider using software such as BCA.net and the Surface Transportation Efficiency Analysis Model (STEAM) for projects having regional level impacts.
Author: Mehdi Etezadi
Publisher:
ISBN:
Category : Renewable energy sources
Languages : en
Pages : 79
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Book Description
In this project an overall assessment of alternative energy applications in Nevada Department of Transportation (NDOT) is pursued. An extensive overview of renewable energy sources and applications are introduced. The existing federal and state incentive programs are investigated as part of Task I. Potential applications at NDOT facilities and roadway systems are investigated for wind, solar and geothermal sources respectively as part of Task II. Office buildings, maintenance stations, facility parking lots, highway rest areas, highway lighting, overhead highway signs, traffic signals, charge stations, bridges and tunnels are considered. Due to the lack of energy consumption data at different facilities for different seasons, generic formulas are provided for determining the potential applications. The facility map of NDOT was used to identify the potential locations in Task III. Solar, wind and geothermal data for NDOT locations are collected and analyzed. The wind, solar and geothermal data were matched with the possible implementation sites. The economic impacts and cost-efficiency of these possible implementations were investigated.
Author: Kimley-Horn and Associates
Publisher:
ISBN:
Category : Mountain roads
Languages : en
Pages : 0
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Book Description
The Nevada Department of Transportation (NDOT) has a total of four (4) active Truck Escape Ramps (TER) throughout the State. The first TER was designed and constructed on Mount Rose Highway (SR-431) in 1978. Since that time, NDOT has constructed two TERs on US-50 and one on Laughlin Highway (SR-163). NDOT authorized Kimley-Horn and Associates, Inc. (KHA) to conduct a review and evaluation of the SR-431, SR-163, and the US-50 (mile post CC 2.98) truck escape ramps. The second truck escape ramp located on US-50 (mile post CC 7.03) was not reviewed or evaluated as it is scheduled to be removed with planned highway realignment projects in the near-term. The SR-431 truck escape ramp was reviewed and evaluated as Attorney Work Product under a separate project number and as such the findings and recommendations are not published in this report.
Author: Peat Marwick Main & Co
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 46
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Book Description
Author: Hualiang Teng
Publisher:
ISBN:
Category : Road work zones
Languages : en
Pages : 132
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Book Description
The objective of this study was to evaluate two advanced technologies for improving safety in work zones: 1) speed monitoring display and 2) automatic work zone information system. In the evaluation of the speed monitoring display (also called a speed trailer), different features of the speed trailer were tested: the size of the speed sign and flashing of the measured speed. In addition, the study also tested the performance of a second speed trailer in a work zone. Two test sites in the Las Vegas Area were chosen to test the speed trailer, one on a fully controlled access segment of Cr-215, a county principal arterial, and the other on I-15, a major Interstate highway. The basic scenarios tested at these two sites were (1) no new feature, 2) smaller sign, 3) bigger sign without flashing, 4) bigger sign with a fast flashing rate, and 5) bigger sign with a slow flashing rate. On Cr-215, an additional scenario for the warning message "Slow Down" was also included. To evaluate the performance of the tested systems, speed and vehicle classification data were collected using Nu-metrics detectors on Cr-215. On I-15, however, these data were collected using videos processed in house. Comparisons were made on the speeds collected in these scenarios. The comparisons were first made between a 'before' condition where a speed monitoring display was not deployed and an 'after' condition using one of the scenarios. From these comparisons, it can be seen whether these technology features were effective in reducing vehicle speeds. The speeds were compared later between different scenarios to identify the relative performance of the features. The comparisons considered different types of vehicles and whether they ran in free flow conditions. These comparisons were based on both the hypothesis testing method and regression modeling.
