FEDERAL HIGHWAY ADMINISTRATION
Water level fluctuations include astronomical tides, storm surges, and long-term sea level rise or fall. Water level is important in coastal processes and engineering in part because it controls the location of wave influence on shorelines and structures. Geologically, sea level controls the overall location and shape of the continental shoreline. The definitions of tidal datums and surveying datums can be important for the design of engineering works near the coast.
Posts Tagged ‘FHWA’
Highways in the Coastal Environment: Second Edition
Thursday, November 8th, 2012Highway Infrastructure: Federal-State Partnership Produces Benefits and Poses Oversight Risks
Monday, June 4th, 2012US GOVERNMENT ACCOUNTABILITY OFFICE
Over the years, the federal-aid highway program has expanded to encompass broader goals, more responsibilities, and a variety of approaches. As the program grew more complex, the Federal Highway Administration’s (FHWA) oversight role also expanded, while its resources have not kept pace. As GAO has reported, this growth occurred without a well-defined overall vision of evident national interests and the federal role in achieving them.
Transportation Enhancements Spending Report
Wednesday, May 30th, 2012NATIONAL TRANSPORTATION ENHANCEMENTS CLEARINGHOUSE
Transportation Enhancement (TE) projects improve the quality of America’s transportation infrastructure. Congress defined and structured the TE activities to establish community livability as a priority. TE funding helps build a transportation system that provides diverse travel choices and supports our natural, economic, and social vitality.
Guide on The Consistent Application of Traffic Analysis Tools and Methods
Tuesday, November 15th, 2011FEDERAL HIGHWAY ADMINISTRATION EXECUTIVE SUMMARY The Federal Highway Administration (FHWA), in support of the Traffic Analysis and Simulation Pooled Fund Study (PFS), initiated this study to identify and address consistency in the selection and use of traffic analysis tools. This document offers recommendations on the management, planning, and conduct of traffic analysis that will promote […]
View this complete post...More Broken Bridges Than Golden Arches [INFOGRAPHIC]
Monday, November 14th, 2011“There are more deficient bridges in our metropolitan areas than there are McDonald’s restaurants in the entire country,” reported Transportation for America.
View this complete post...Impact of Design Features on Pavement Response and Performance in Rehabilitated Flexible and Rigid Pavements
Monday, November 7th, 2011FEDERAL HIGHWAY ADMINISTRATION
The main goal of this project was to use Long-Term Pavement Performance (LTPP) Specific Pavement Study (SPS) experiment data to assess the impact of different design, construction, and rehabilitation features on pavement response and performance for specific site conditions. The analysis sought to identify which features could help achieve the best short-term and long-term performance and to evaluate the effectiveness of common maintenance practices used for flexible and rigid pavements.
Bridging the Gap: Redirecting Investments to Fix the Nation’s Bridges
Friday, November 4th, 2011TAXPAYERS FOR COMMON SENSE
A large portion of the nation’s 600,000 bridges are in poor condition and require investment to repair or replace. Congress, by virtue of its control of spending and oversight, can encourage states to spend a greater share of transportation funding on maintaining and fixing existing infrastructure. If we are to reduce the number of deficient bridges in our transportation system – currently 11.5 percent of all bridges are deficient – Congress must be part of the solution.
The Fix We’re In For: The State of Our Nation’s Bridges – Metropolitan Bridge Rankings
Wednesday, October 19th, 2011TRANSPORTATION FOR AMERICA
Structurally deficient bridges in metropolitan areas carry a disproportionate share of all trips taken on a deficient bridge each day. In fact, deficient bridges in the largest 102 metropolitan areas carry three-quarters of all traffic crossing a deficient bridge. Put another way, there are more deficient bridges in these 102 regions than there are McDonald’s restaurants in the entire country – 18,239 versus about million 14,000. Worldwide, McDonald’s serves a staggering 64 million people a day. But here in America, 210 million trips are taken daily across deficient bridges in just these 102 regions.
Federal Highway Administration Budget Estimates: Fiscal Year 2012
Thursday, August 18th, 2011FEDERAL HIGHWAY ADMINISTRATION
FHWA’s FY 2012 budget requests $70.5 billion ($69.9 billion net of rescission) and represents a new paradigm in funding our nation’s highways. This request represents the first year of the Administration’s six-year surface transportation reauthorization proposal, which provides $336 billion from FY 2012 to 2017 for highway programs. The proposal reflects a 48 percent increase in funding for road and bridge improvements and construction from the $227 billion authorized in the Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (SAFETEA-LU).
View this complete post...Great American Infrastructure: The Interstate Highway System
Thursday, July 7th, 2011This is the fourth in a series of entries celebrating infrastructure achievements in the United States.
View this complete post...Follow InfrastructureUSA
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