This purpose of this case study is to describe Kentucky’s network screening methodology for all State-owned roads, as well as local roads classified as a collector street or above. The Kentucky Transportation Cabinet’s (KYTC) Highway Safety Improvement Program requires a data-driven process to identify sites with a potential safety need and priorit
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Emerging ISTD technology uses an innovative erosion head that more accurately measures soil erosion resistance, resulting in more cost-effective foundation designs and greater reliability and resiliency in bridge performance.
Pedestrian fatalities have been on the rise throughout the United States, and as more American’s are walking and bicycling, many agencies have been working to improve safety for both of these road users. This case study document provides information on how agencies have worked with FHWA to improve pedestrian and bicyclist safety through the FHWA Pe
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United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2021-02-01
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This TechBrief provides a summary of a study the Federal Highway Administration (FHWA) conducted to evaluate how using three-dimensional (3D) engineered models in conjunction with Automated Machine Guidance (AMG) technology affects initial pavement smoothness. The assessment approach included a comprehensive literature review, engagement with State
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This resource is intended to inform discussions about on-street parking and bikeway selection. It is a supplementary resource to the FHWA Bikeway Selection Guide. It begins with a discussion of on-street parking and bikeway types, with associated dimensional requirements and trade-off considerations. It then presents several strategies involving ch
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This case study documents how the Missouri Department of Transportation’s (MoDOT's) Transportation Planning Division (TPD) coordinates with the Information Systems unit (the agency’s information technology unit) and the State’s Traffic Records Coordinating Committee (TRCC) to form a leadership group that supports the State’s data management and int
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From September 2015 to the end of January 2019, the Federal Highway Administration partnered with departments of transportation in California, Massachusetts, Missouri, and Pennsylvania, as well as the Pennsylvania Turnpike Commission, to perform a proof of concept for a methodology for data collection of w-beam guardrail end terminals. Data collect
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This case study presents an interchange alternatives analysis from the Indiana Department of Transportation (INDOT). The analysis supported a multi-agency planning and engineering effort that involved INDOT, the Indianapolis Metropolitan Planning Organization, Hamilton County, Town of Fishers, and City of Noblesville. These agencies identified Stat
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This purpose of this case study is to present an example application of the American Association of State Highway and Transportation Officials (AASHTO) Highway Safety Manual (HSM) to support a rural road corridor analysis. The South Carolina Department of Transportation (SCDOT) Rural Road Safety Program (RRSP) focuses on improving, “safety on SC’s
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This Comprehensive Transition Plan (CTP) describes how the Tampa Hillsborough Expressway Authority (THEA) will transition from the end of the Connected Vehicle Pilot Phase 3 to continued support of the deployment area.
This is one of seven case studies of practices in the 2019 transportation asset management plans (TAMPs). This case study highlights how State departments of transportation (DOTs) manage risk to their transportation assets.
This resource supplements the Federal Highway Administration’s (FHWA) Bikeway Selection Guide and is intended to inform trade-off decisions associated with bikeway selection at intersections. It discusses common performance metrics, spatial needs of bikeways at intersections, safety and equity focused design principles, and operational traffic anal
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The current program of Quality Assurance Stewardship Reviews was established by the Federal Highway Administration (FHWA) in fiscal year (FY) 2003 with the purpose of assessing agency quality assurance (QA) practices. By the end of 2018, all fifty-two State highway agencies (SHA), including Puerto Rico and the District of Columbia, had undergone at
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Engineers at the Federal Highway Administration Western Federal Lands Highway Division are installing long-term streambank stabilization intended to preserve highway infrastructure as well as minimize environmental impacts. An emerging approach called "engineered logjams" (ELJs), which uses precast concrete dolosse (i.e., reinforced concrete blocks
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The objective of this study was to perform rigorous safety effectiveness evaluations of adaptive signal control technologies (ASCTs) used on urban corridors. To accomplish the goal of this study, the research team compiled safety data from Florida, Texas, and Virginia. Results from Florida and Texas did not offer statistical evidence of a change in
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To be successful in their training, learners need to frequently and meaningfully engage with the course content. There are many instructional strategies, and it is not always easy for course designers and instructors to find ones that match the content, the classroom limitations, and participants’ learning needs. This handbook is designed to provid
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2021-02-01
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PDF
Traffic Volume Trends is a monthly report based on hourly traffic count data reported by the States. These data are collected at approximately 5,000 continuous traffic counting locations nationwide and are used to estimate the percent change in traffic for the current month compared with the same month in the previous year. Estimates are re-adjuste
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Center for Transportation Workplace Development
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2021-02-01
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PDF
Teams need a playbook for success on the field. This Playbook was developed to do the same for the highway and public workforce system partners. The Playbook is specific to the HCWP Pilot and provides a concise set of approaches. Eight "Plays" are included to help the partners form a Working Group that is organized and equipped to identify, train,
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United States. Department of Transportation. Federal Highway Administration
2021-02-01
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PDF
Transportation safety and mobility applications rely on time-sequenced location data. However, there is a risk of unauthorized parties using such data to discover an individual’s travel patterns. To prevent this from happening, organizations often limit data releases. But these limitations often cause unintended consequences, including reducing ope
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This Primer describes how integrating data from law enforcement and public safety computer-aided dispatch systems with transportation operating systems can improve incident response, help to save responder lives, and improve safety for travelers on the network. It presents several successful case studies of data sharing partnerships that have resul
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