Movable bridges are unique structures with particular maintenance and repair needs. According to FDOT Engineers, the resulting rehabilitation and repairs cost much more than of a fixed bridge per square feet basis. The inspection and maintenance needs make movable bridges ideal candidates for demonstrating Structural Health Monitoring (SHM), or mor
...
This manual provides information and recommended procedures to be utilized by an agency’s Weigh-in-Motion (WIM) Office Data Analyst to perform validation and quality control (QC) checks of WIM traffic data. This manual focuses on data generated by WIM systems that have the capability to produce high quality data. Many of the recommended data QC pro
...
This guidebook provides an overview of the mission and functions of transportation management centers, emergency operations centers, and fusion centers. The guidebook focuses on the types of information these centers produce and manage and how the sharing of such information among the centers can be beneficial to both the day-to-day and emergency o
...
United States. Department of Transportation. Intelligent Transportation Systems Joint Program Office
2010-06-01
|
PDF
This concept of operations (Con Ops) for the US-75 Integrated Corridor Management (ICM) Program has been developed as part of the USDepartment of Transportation Integrated Corridor Management Initiative, which is an innovative research initiative that is based on the idea thatindependent, individual, network-based transportation management systems—
...
Reactive Solutions is a quarterly newsletter developed under FHWA's ASR Development and Deployment Program. Reactive Solutions will share developments of the Program, share what other States and agencies are doing to address ASR, and provide tools and information for readers to address ASR.
This report presents the findings of the petrographic examination of concrete cores extracted from two arches of the Bibb Graves Bridge in Wetumpka, Alabama. The evaluation mainly consisted of the Damage Rating Index (DRI), a method that provides a semiquantitative assessment of the damage in concrete based on a count of petrographic features of de
...
United States. Department of Transportation. Federal Highway Administration. Office of Operations
2010-06-01
|
PDF
The Urban Congestion Report (UCR) is produced on a quarterly basis and characterizes the most recent traffic congestion and reliability trends at the national and city level. Each quarterly UCR compares data from the most recent three months to the same three months in the previous year.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2010-06-01
|
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
...
The SegwayTM Human Transporter (HT) is one of several low-speed transportation devices (e.g., bikes, scooters, wheelchairs) that, under certain circumstances, travels on sidewalks, roadways, and other shared-use paths. The objective of this research was to examine the primary operating characteristics of the SegwayTM HT.Research was conducted at th
...
This document provides guidance for the State Planning and Research (SP&R) peer reviews. It contains information about the philosophy and principle of the peer exchanges; the use of peer exchanges to strategically improve research programs; and guidance and resources on conducting peer exchanges.
When and why drivers choose a priced or tolled facility over an untolled but congested parallel route is the subject of 3-year project funded by the Federal Highway Administration's (FHWA) Exploratory Advanced Research (EAR) Program, in partnership with the University of Central Florida and Georgia State University. "Experiments on Driving under Un
...
It is often difficult for highway and traffic engineers to consider complex driver behavior in their designs, but failing to do so can cost lives and, if roadways must be rebuilt, millions of dollars. The aim of "Making Driving Simulators More Useful for Behavioral Research," an Exploratory Advanced Research (EAR) Program project, is to make drivin
...
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2010-06-01
|
PDF
This Highway Safety Information System (HSIS) summary replaces an earlier one, Evaluation of Lane Reduction "Road Diet" Measures and Their Effects on Crashes and Injuries (FHWA-HRT-04-082), describing an evaluation of "road diet" treatments in Washington and California cities. This summary reexamines those data using more advanced study techniques
...
United States. Federal Highway Administration. Office of Research, Development, and Technology
2010-06-01
|
PDF
According to the Fatality Analysis Reporting System, the proportion of fatal crashes at unsignalized rural intersections constitutes approximately 37 percent of all fatal crashes at intersections nationwide.(1) About 90 percent of these rural unsignalized intersection crashes occur on two-lane roads. As a low-cost remedy to address crashes at unsig
...
United States. Department of Transportation. Federal Highway Administration. Office of Research, Development, and Technology
2010-06-01
|
PDF
Approximately 25 percent of nationwide pedestrian and bicycle fatal and injury accidents occur on rural highways. In contrast to urban highways, rural highways have certain characteristics that can be more hazardous to pedestrians and bicyclists, such as higher average vehicle speeds and a lack of sidewalk provisions. Limited research has been cond
...
The Federal Highway Administration's Long-Term Pavement Performance (LTPP) program issues a triannual newsletter to inform you about the progress and activities of the program. Brief updates on progress in important program activities are provided, including data collection, data releases, new products and publications, pooled fund studies, and dat
...
United States. Federal Highway Administration. Center for Accelerating Innovation
2010-06-01
|
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.
To ensure public safety and to protect the capital investment in bridges over water, underwater members must be inspected to the extent necessary to determine their structural condition with certainty. Underwater inspections must also include the streambed. In shallow water, underwater inspections may be accomplished visually or tactilely from abov
...
United States. Department of Transportation. Federal Highway Administration. Office of Safety
2010-06-01
|
PDF
The Federal Highway Administration’s (FHWA) Safety Compass newsletter aims to increase highway safety awareness and to provide resources to the highway safety community to help save lives. The newsletter is published three times a year, and includes articles on safety-focused offerings from FHWA, other DOT modes; our State, Local, and Tribal partne
...
Links with this icon indicate that you are leaving a Bureau of Transportation
Statistics (BTS)/National Transportation Library (NTL)
Web-based service.
Thank you for visiting.
You are about to access a non-government link outside of
the U.S. Department of Transportation's National
Transportation Library.
Please note: While links to Web sites outside of DOT are
offered for your convenience, when you exit DOT Web sites,
Federal privacy policy and Section 508 of the Rehabilitation
Act (accessibility requirements) no longer apply. In
addition, DOT does not attest to the accuracy, relevance,
timeliness or completeness of information provided by linked
sites. Linking to a Web site does not constitute an
endorsement by DOT of the sponsors of the site or the
products presented on the site. For more information, please
view DOT's Web site linking policy.
To get back to the page you were previously viewing, click
your Cancel button.