The Portland, Oregon region completed its new metropolitan transportation plan, 2035 Regional Transportation Plan, in June of 2010 under the direction of Metro, the metropolitan planning organization for the region. With this plan comes a new approach for metropolitan planning in this region that is focused on desired outcomes and measurable perfor
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The Champaign Urbana Urbanized Area Transportation Study (CUUATS) serves as the transportation-focused arm of region's metropolitan planning organization (MPO), the Champaign County Regional Planning Commission (CCRPC), for the Champaign-Urbana Urbanized Area. CUUATS has adopted an objectives-driven, performance-based approach to metropolitan trans
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It is not by accident that transportation systems management and operations (M&O) has strong support among MetroPlan Orlando's 19 voting board members. MetroPlan Orlando (MetroPlan) has worked hard over the past 7 years to gain backing for M&O strategies in the region. The MPO's involvement in M&O began around 2003 with a traffic incident managemen
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United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2010-11-01
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FHWA R&T Now
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PDF
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 Highway Policy Information
2010-11-01
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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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This report summarizes the state-of-the-practice and presents a recommended framework for before-after evaluations of the environmental impacts of congestion pricing projects, such as high-occupancy toll (HOT) lanes and cordon or area pricing schemes. The report focuses on the three environmental impact areas that have been most commonly examined i
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This report describes a precast concrete bridge bent system that is suitable for high seismic zones. Lateral load tests on both the top (column-to-cap) and bottom (column-to-footing) connections of the system have demonstrated that the connections have strengths and ductilities similar to those of comparable cast-in-place connections. Additional te
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Ultra-high performance concrete (UHPC) is an advanced cementitious composite material which has been developed in recent decades. When compared to more conventional cement-based concrete materials, UHPC tends to exhibit superior properties such as increased durability, strength, and long-term stability. This computational investigation focused on m
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A step frequency ground penetrating radar (SF GPR) system was characterized and evaluated to determine whether it can be operated safely in a proposed configuration that may include frequency notching in specific frequency bands. This emission testing was conducted with possible notching configurations turned on and then turned off to allow for bot
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2010-10-01
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PDF
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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Learning in Progress, NHI's quarterly newsletter, provides updates on new course launches, upcoming Web conference seminars, training programs and events, and NHI policy changes.
This research focuses on the development of real-time signal timing methodologies and algorithms that balance safety and efficiency. The research consists of two phases, and this report summarizes the findings of phase 1. First, it examines the relationships between signal timing and surrogate measures of safety: frequency of rear-end, angle, and l
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United States. Federal Highway Administration. Office of International Programs
2010-10-01
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PDF
In June 2010 a team of 10 U.S. transportation professionals with expertise in planning, design, and operations of freeways visited four countries in Europe: England, Germany, the Netherlands, and Spain. The purpose of the scanning study was to examine active traffic management design practices used in other countries to improve the operational perf
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United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2010-10-01
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PDF
Shared lane markings help convey to motorists and bicyclists that they must share the roads on which they operate. The markings create improved conditions by clarifying where bicyclists are expected to ride and by notifying motorists to expect bicyclists on the road. Figure 1 illustrates a generic sharrow as it appears in the 2009 version of the Ma
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United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2010-10-01
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PDF
The objective of this study was to investigate the relative daytime and nighttime visibility of three crosswalk marking patterns: transverse lines, continental, and bar pairs.
United States. Federal Highway Administration. Center for Accelerating Innovation
2010-10-01
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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.
This document presents a stream simulation design procedure, methods and best practices for designing culverts to facilitate aquatic organism passage (AOP). The primary goal of this document is to incorporate many of the current geomorphic-based design approaches for AOP while providing a procedure based on quantitative best practices. It presents
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Successes in Stewardship is a Federal Highway Administration (FHWA) bimonthly newsletter highlighting current best practices in stewardship and environmental review from around the country.
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