This project intends to develop and test a framework for setting yellow change and red clearance intervals for the left-turn movement, which can be used directly by the field traffic engineers in selecting the appropriate values for parameters in the proposed framework. The framework is designed to incorporate a comprehensive set of parameters rela
...
Continuous industrial development in Texas led to a significant population increase. This caused an overload of the existing highway network, especially in the major urban areas, and in turn called for necessary alterations and improvements to bring the urban transportation system up to date. Numerous improvement projects on urban arterial streets
...
This report describes the research conducted within a two-year study that developed an effective advance warning for end-of-green phase at high-speed traffic signals in Texas. High-speed signals are defined as having approach speeds of 45 mph or more. Two Advance Warning for End-of-Green Signals (AWEGSs) were designed, and the field tests showed a
...
This report documents the development and delivery of outreach materials and workshops explaining access management principles and demonstrating related benefits.
The objective of this project is to develop knowledge, tools, and protocols to inform best practice standards for effective implementation of biochar in bioretention systems (BRSs) for treating roadway runoff. This project will be performed in two phases, with the first phase (this report) focusing on biochar production, characterization, and conta
...
United States. Department of Transportation. Bureau of Transportation Statistics
2025-11-01
|
Pocket Guide to Transportation
|
PDF
The BTS Pocket Guide to Transportation is a quick reference guide that provides transportation statistics at your fingertips. It provides key information and highlights major trends on the U.S. transportation system. Intended as a compact reference, the Pocket Guide supports the BTS mission to create, manage, and share transportation statistical kn
...
United States. Department of Transportation. National Highway Traffic Safety Administration
2025-11-01
|
PDF
This edition of Traffic Safety Facts Crash•Stats lists the most current data on the nationwide seat belt use rate in 2024 as calculated by probability-based observational surveys conducted by the 50 States, the District of Columbia, and U.S. Territories. In 2024 seat belt use in the United States ranged from 71.0 percent in the U.S. Virgin Islands
...
United States. Department of Transportation. National Highway Traffic Safety Administration
2025-11-01
|
PDF
NHTSA recently issued a projection report of traffic fatalities and the fatality rate per 100 million vehicle miles traveled (VMT) for the first half of 2025 (Report No. DOT HS 813 756) that showed an estimated 17,140 people died in motor vehicle traffic crashes during the first half of 2025, a decrease of about 8.2 percent as compared to 18,680 fa
...
Child restraint systems (CRS or child safety seats) are primarily designed for use in automotive vehicles. The Federal Aviation Administration (FAA) encourages the use of CRS approved for use on aircraft. The securement of a CRS to an aircraft seat can be challenging due to physical space restrictions. If caregivers face too many barriers when atte
...
United States. Department of Transportation. Federal Aviation Administration
1996-09-01
|
FAA News
|
PDF
Published by the Federal Aviation Administration (FAA) Public Affairs Department, "FAA News" informed employees of the Administration's current news, including projects, events, and policy changes.
United States. Department of Transportation. Federal Aviation Administration
1996-10-01
|
FAA News
|
PDF
Published by the Federal Aviation Administration (FAA) Public Affairs Department, "FAA News" informed employees of the Administration's current news, including projects, events, and policy changes.
United States. Department of Transportation. Federal Aviation Administration
1996-11-01
|
FAA News
|
PDF
Published by the Federal Aviation Administration (FAA) Public Affairs Department, "FAA News" informed employees of the Administration's current news, including projects, events, and policy changes.
United States. Department of Transportation. Federal Aviation Administration
1996-05-01
|
FAA News
|
PDF
Published by the Federal Aviation Administration (FAA) Public Affairs Department, "FAA News" informed employees of the Administration's current news, including projects, events, and policy changes.
United States. Department of Transportation. Federal Aviation Administration
1996-03-01
|
FAA News
|
PDF
Published by the Federal Aviation Administration (FAA) Public Affairs Department, "FAA News" informed employees of the Administration's current news, including projects, events, and policy changes.
United States. Department of Transportation. Federal Aviation Administration
1996-06-01
|
FAA News
|
PDF
Published by the Federal Aviation Administration (FAA) Public Affairs Department, "FAA News" informed employees of the Administration's current news, including projects, events, and policy changes.
United States. Department of Transportation. Federal Aviation Administration
1996-07-01
|
FAA News
|
PDF
Published by the Federal Aviation Administration (FAA) Public Affairs Department, "FAA News" informed employees of the Administration's current news, including projects, events, and policy changes.
United States. Department of Transportation. Federal Aviation Administration
1996-01-01
|
FAA News
|
PDF
Published by the Federal Aviation Administration (FAA) Public Affairs Department, "FAA News" informed employees of the Administration's current news, including projects, events, and policy changes.
United States. Department of Transportation. Federal Aviation Administration
1996-02-01
|
FAA News
|
PDF
Published by the Federal Aviation Administration (FAA) Public Affairs Department, "FAA News" informed employees of the Administration's current news, including projects, events, and policy changes.
United States. Department of Transportation. Federal Aviation Administration
1996-12-01
|
FAA News
|
PDF
Published by the Federal Aviation Administration (FAA) Public Affairs Department, "FAA News" informed employees of the Administration's current news, including projects, events, and policy changes.
United States. Department of Transportation. Federal Aviation Administration
1996-08-01
|
FAA News
|
PDF
Published by the Federal Aviation Administration (FAA) Public Affairs Department, "FAA News" informed employees of the Administration's current news, including projects, events, and policy changes.
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.