Understanding the choices that drivers, bicyclists, and pedestrians make is critical to improving the safety and efficiency of the Nation’s roadways. The Federal Highway Administration (FHWA) seeks to understand the technological challenges of advancing the use of federated simulation and modeling and the different uses that researchers and practit
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The Arizona Sun Corridor megaregion encompasses portions of five counties that comprise the metropolitan areas served by the Maricopa Association of Governments (MAG) and the Pima Association of Governments (PAG). This megaregion is home to approximately 8 out of every 10 Arizonans and includes one of the busiest freight ports on the United States-
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Located among pavement testing machinery, giant flumes, and a crash-test site, the Reid Family Cemetery is both an anachronism and a historical point of interest on the grounds of the Federal Highway Administration’s (FHWA) Turner-Fairbank Highway Research Center (TFHRC). The cemetery was part of the Reid family farm, which dates back to the mid-18
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The Federal Highway Administration (FHWA) established the Development of Crash Modification Factors (DCMF) program in 2012 to address highway safety research needs for evaluating new and innovative safety strategies (improvements) by developing reliable quantitative estimates of their effectiveness in reducing crashes. The goal of the DCMF program
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This report presents a high-level analysis of the effects of location on personal travel and trends associated with place of residence and the travel behavior of younger populations (ages 20-34). Seven distinct neighborhood typologies were created using data from the Environmental Protection Agency (EPA) Smart Location Database and the Decennial U.
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United States. Federal Highway Administration. Office of Operations Research and Development
2017-12-01
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Increasing traffic demand is causing more severe congestion and bottlenecks in urban environments. Constrained budgets are spurring innovations that efficiently use existing intersection footprints. From a previously sponsored research effort by the Office of Operations Research and Development (R&D), DRLT and CLT treatments were identified as two
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2017-12-01
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Safety is a national transportation performance goal area, but more importantly, it is the number one priority for all transportation system users. For this reason, state Department of Transportations (DOT), metropolitan planning organizations (MPO), and regional transportation planning organizations (RTPO) are investing in programs and projects to
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United States. Federal Highway Administration. Office of Operations Research and Development
2017-12-01
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Everyday traffic delays produce frustrations and wasted time for road users who frequently deal with delays, especially during commutes and rush hour trips. Innovative solutions are needed for near-term implementation. These solutions produce significant operational benefits with only minor modifications to existing infrastructure, using less time
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This research examined the safety impacts of profiled thermoplastic pavement markings in Florida and South Carolina. The States applied the markings only on edge lines and mostly on rural, two-lane undivided roads, with some use on rural, multilane divided roadways. A literature review found no published research evaluating the effect of profiled t
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2017-12-01
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This report summarizes the proceedings of the Connecticut Crash and Roadway Safety Data Management Peer Exchange held in Newington, Connecticut, sponsored by the Connecticut Department of Transportation (CTDOT) and the Federal Highway Administration (FHWA) Office of Safety's Roadway Safety Professional Capacity Building Program.
United States. Federal Highway Administration. Office of Operations Research and Development
2017-12-01
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PDF
Freeway merge and diverge areas are typically associated with unsteadiness and congestion due to an increase in lane changing and slowing down to accommodate vehicles that want to enter or exit the freeway. While waiting on anticipated benefits of connected and automated vehicles (CAVs), cities continue to struggle with worsening freeway congestion
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United States. Federal Highway Administration. Office of Operations Research and Development
2017-12-01
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CAV technologies offer potentially transformative societal impacts—including significant mobility, safety, and environmental benefits. The Federal Highway Administration (FHWA) has led the development, research, and standards-making of these technologies, and is currently developing deployment approaches and guidance.Deploying CAV applications requ
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The Arizona Sun Corridor megaregion encompasses portions of five counties that include the regions served by the Maricopa Association of Governments (MAG) and the Pima Association of Governments (PAG). This region is home to approximately eight out of ten Arizonans and includes one of the busiest freight ports on the U.S.-Mexico border. State and l
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This study evaluated restricted crossing U-turn (RCUT) intersection and was conducted by the DCMF program for the Evaluation of Low-Cost Safety Improvements Pooled Fund Study. RCUT is defined as a three-approach or four-approach intersection where minor street left-turn and through movements (if any) are rerouted to one-way downstream U-turn crosso
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This report presents four case studies detailing what has been achieved through the Mobility Services for All Americans (MSAA) deployment planning, implementation, and/or Travel Management Coordination Center (TMCC) development. It additionally discusses whether MSAA funding or other federal assistance has had an impact on TMCC development, and wha
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2017-12-01
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This report is a summary of the Local Roads Safety Data Analysis Approaches Peer Exchange held in Seattle, Washington on August 30-31, 2016 sponsored by the Federal Highway Administration (FHWA) Office of Safety. Participants from Federal, State, and local agencies from Indiana, Kentucky, Louisiana, Michigan, New Jersey, Ohio, Washington, and Wisco
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United States. Federal Highway Administration. Office of Operations Research and Development
2017-12-01
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The FHWA Driver Model Platform v0.6 was created to interface with commercially available microsimulation software packages, so that planners and engineers could more accurately predict and assess the operational impacts of specialized events and technologies—such as work zones, road weather, or connected and automated vehicle applications. Version
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This report contains new entries to the Federal Highway Administration (FHWA) report: "Work Zone Operations Best Practices Guidebook (Third Edition)" (FHWA-HOP-13-012). The new entries are intended to function as a supplement to the Guidebook, however, the code in the upper right-hand corner of each new entry (e.g. "A1-1") uses the organizational s
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