When Distracted Road Users Cross Paths - To ABC or Not? - In Pursuit of Sustainable Highways - Finding the Right Tool for the Job - A Living Outdoor Laboratory - What’s in the Numbers?
Freight Facts and Figures 2011 is a snapshot of the volume and value of freight flows in the United States, the physical network over which freight moves, the economic conditions that generate freight movements, the industry that carries freight, and the safety, energy, and environmental implications of freight transportation. This snapshot helps d
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2011-11-01
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On a monthly basis, each State is required to report to the Federal Highway Administration (FHWA), the amount of gallons taxed by that state. This data is analyzed and compiled by FHWA staff. The data on the amount of on-highway fuel use for each State is then used to attribute federal revenue to each State. Yearly, the FHWA, Office of Policy, prov
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This document helps promote a deeper understanding of the responsibilities, opportunities, and benefits derived from addressing environmental justice (EJ) in transportation planning and implementation. The four topic chapters focus on foundational issues or emerging trends and highlight noteworthy case studies and best practices that promote EJ in
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This report provides a summary of a field study conducted in Las Vegas, NV from mid-December 2008 thru mid-December 2009. The objective of this research study has been to determine Mobile Source Air Toxic (MSAT) concentrations and variations in concentrations as a function of distance from the highway and to establish relationships between MSAT con
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The Federal Highway Administration, in support of the Traffic Analysis and Simulation Pooled Fund Study, initiated this study to identify and address consistency in the selection and use of traffic analysis tools. This report offers recommendations on the management, planning, and conduct of traffic analysis that will promote greater traffic analys
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Eleven systems containing epoxy-coated reinforcement (ECR) in combination with another corrosion-protection system are evaluated using the rapid macrocell, southern exposure, cracked beam, linear polarization resistance, and field tests. The systems include bars pretreated with zinc chromate to improve the adhesion between the epoxy and the reinfor
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United States. Federal Highway Administration. Center for Accelerating Innovation
2011-11-01
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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.
United States. Federal Highway Administration. Office of Corporate Research, Technology, and Innovation Management
2011-11-01
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Focus (ISSN 1060-6637), which is published monthly by the U.S. Department of Transportation’s Federal Highway Administration (FHWA), covers the implementation of innovative technologies in all areas of infrastructure. Its primary mission is twofold: (1) to serve the providers of highway infrastructure with innovations and support to improve the qua
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United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2011-11-01
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The use of visualization technologies and techniques by State Departments of Transportation (DOTs), especially for public involvement purposes, is well-documented. A 2006 Federal Highway Administration (FHWA) scan of transportation agencies, however, showed that visualization use during the right-of-way (ROW) acquisition process of transportation p
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United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2011-11-01
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FHWA R&T Now
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Federal Highway Administration's FHWA R&T Now is a newsletter containing information and updates about research, technology, and development from the U.S. Department of Transportation, Federal Highway Administration. The newsletter is an electronic newsletter and is updated approximately every other month.
Successes in Stewardship is a Federal Highway Administration (FHWA) bimonthly newsletter highlighting current best practices in stewardship and environmental review from around the country.
United States. Department of Transportation. Federal Highway Administration. Office of Safety
2011-11-01
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Access management is a set of techniques that State and local governments use to control access to highways, major arterials, and other roadways. The benefits of access management include improved movement of traffic, reduced crashes, and fewer vehicle conflicts. Access management principles are applicable to roadways of all types, ranging from ful
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2011-11-01
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The modern roundabout is a type of circular intersection defined primarily by three basic operational principles: Geometry that results in a low-speed environment, creating substantial safety advantages. Entering traffic yields to vehicles in the circulatory roadway, leading to excellent operational performance. Channelization at the entrance and d
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2011-11-01
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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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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2011-11-01
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Low-cost safety treatments vary by the severity of the curvature and the operating speed. Low-cost treatments typically include methods for warning the driver in advance of the curve, but treatments will vary by intensity of the warning. Implementing the recently published curve treatments included in the Manual on Uniform Traffic Control Devices (
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2011-11-01
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A median is an area between opposing lanes of traffic, excluding turn lanes. Medians in urban and suburban areas can either be open (pavement markings only) or they can be channelized (raised medians or islands) to separate various road users. Pedestrian crossing islands (or refuge areas)—also known as center islands, refuge islands, pedestrian isl
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2011-11-01
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The pedestrian hybrid beacon (also known as the High intensity Activated crossWalK (or HAWK)) is a pedestrian-activated warning device located on the roadside or on mast arms over midblock pedestrian crossings. The beacon head consists of two red lenses above a single yellow lens. The beacon head is "dark" until the pedestrian desires to cross the
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2011-11-01
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Longitudinal rumble strips are milled or raised elements on the pavement intended to alert inattentive drivers through vibration and sound that their vehicles have left the travel lane. There are a number of possible applications that can be used: Shoulder rumble strips are installed on a shoulder near the edge of the travel lane. They significantl
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