United States. Department of Transportation. Federal Highway Administration
2023-08-01
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PDF
The BIL continues the Highway Use Tax Evasion Projects program, which authorizes the Secretary to provide funding to the Internal Revenue Service and the States to carry out intergovernmental enforcement efforts along with training and research to reduce evasion of payment of motor fuel and other highway use taxes.
This document developed a step-by-step calculation guide for three forecasting methods in support of target setting for the third performance management rulemaking (PM3) travel time-based performance measures. The three forecasting methods covered in this document are: Extrapolation of past trends (macroscopic). Highway segments “at risk” for unrel
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United States. Department of Transportation. Federal Highway Administration
2023-08-01
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PDF
Commercial motor vehicles (CMVs) are highly overrepresented in fatal work zone crashes nationwide. Between 2018 and 2020, 30 percent of all fatal work zone crashes involved CMVs, and over 55 percent of fatal work zone crashes occurred on rural interstates.1 Many fatal work zone crashes involve rear-end collisions with traffic slowed or stopped in a
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United States. Department of Transportation. Federal Highway Administration
2023-08-01
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PDF
In 2014, the Texas Department of Transportation (TxDOT) began encouraging the use of thermal profiling systems Statewide to identify localized coarse texture and insufficient compaction during pavement construction. The systems, commonly called paver-mounted thermal profilers (PMTPs), provide continuous two-dimensional infrared thermal maps of newl
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This manual reports current practice for the design and construction of Mechanically Stabilized Earth (MSE) walls. This manual was prepared to enable engineers to perform preliminary design or design checks of vendor designs of MSE walls using any of the four currently available design methods. This includes the coherent gravity method, the simplif
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This document examines the interface of transportation asset management, transportation performance management, and performance-based planning and programming. All three create synergies that focus upon how short-term performance contributes to long term strategies to achieve national goals for safety, asset management, congestion relief, freight m
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This research developed crash modification factors (CMFs) for bicycle treatments at urban intersections in the United States. The treatments evaluated were the presence of bicycle lanes, extension lines, through bicycle lanes, buffered bicycle lanes, and chevrons along the intersections. The research team compiled and analyzed safety data from Virg
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United States. Department of Transportation. Federal Highway Administration
2023-08-01
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PDF
The BIL establishes the SIRC program to provide discretionary grants to test the feasibility of a road usage fee and other user-based alternative revenue mechanisms (referred to in section 13001 as "user-based alternative revenue mechanisms") to help maintain the long-term solvency of the Highway Trust Fund through pilot projects at the State, loca
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United States. Department of Transportation. Federal Highway Administration
2023-08-01
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PDF
Real-time tests to evaluate asphalt pavement consistency and mat density across the entire width and length of a paving lot are available now and has growing interest for implementation. Two devices that have emerged for use in evaluating the uniformity and density of asphalt mixtures are the paver-mounted thermal profiler (PMTP) and the dielectric
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United States. Department of Transportation. Federal Highway Administration
2023-08-01
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PDF
The Texas Department of Transportation (TxDOT) Abilene District has integrated paver-mounted thermal profiler (PMTP) imaging into its procedures to improve asphalt pavement quality during construction. PMTPs use temperature sensors to continuously read surface temperatures of the newly placed asphalt mat immediately behind a paver during placement
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United States. Department of Transportation. Federal Highway Administration
2023-08-01
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PDF
The Virginia Department of Transportation had experience with e-Ticketing, conducting approximately 10 pilot projects in a single district that used one contractor/supplier fleet management solution to receive e-Tickets. This approach, however, presented several challenges. Because VDOT field inspectors were required to have multiple login credenti
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2023-08-01
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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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The US Government Accountability Office (GAO) report entitled Highway Bridges - Federal Highway Administration Could Better Assist States with Information on Corrosion Practices (GAO21-104249) recommended that FHWA’s ongoing bridge preservation efforts include activities, such as peer exchanges and case studies that focus on addressing the challeng
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United States. Federal Highway Administration. Center for Accelerating Innovation
2023-08-01
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Innovator
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PDF
Innovator, published by the FHWA Center for Accelerating Innovation, advances implementation of innovative technologies and processes in the highway industry. Its audience is transportation professionals in highway agencies, trade and research groups, academia and the private sector, and the driving public.
The Illinois Department of Transportation (IDOT) has been actively involved in e-Construction initiatives for more than six years. During this period, IDOT initially focused on electronic documentation related to construction and materials. The agency is now working on implementing an electronic payment system and transitioning toward a completely
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United States. Department of Transportation. Federal Highway Administration
2023-08-01
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PDF
The BIL establishes the Wildlife Crossings Pilot Program (WCPP) to provide discretionary grants for projects that seek to achieve a reduction in the number of wildlife-vehicle collisions and improved habitat connectivity for terrestrial and aquatic species.
United States. Department of Transportation. Federal Highway Administration
2023-08-01
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PDF
The BIL establishes the Accelerated Implementation and Deployment of Advanced Digital Construction Management Systems program to promote, implement, deploy, demonstrate, showcase, support and document the application of advanced digital construction management systems, practices, performance, and benefits.
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2023-08-01
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PDF
In Arizona, one of the biggest challenges for road weather management along Interstate 10 (I–10) is dust storms. In the spring of each year, these often unpredictable events wreak havoc on travel along the interstate. They are a significant safety concern in the region, especially for out-of-state drivers who are unfamiliar with the phenomenon. Dus
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This document provides guidance to community organizations that propose to create, develop, approve, and maintain control sets for various physical objects, such as Connected Vehicle Roadside Equipment (CVRSE), ITS Roadway Equipment (ITSRE), and Vehicle Onboard Equipment (OBE) used within the Intelligent Transportation System (ITS) community. These
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This control set document identifies security controls typically needed to mitigate security risks to traffic signal controllers operating in the role of ITS Roadway Equipment (ITSRE) described by the Connected Vehicle Traffic Signal System service package in the Architecture Reference for Cooperative and Intelligent Transportation (ARC-IT) TM04. T
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