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USA BANNER

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States Department of Transportation United States Department of Transportation
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OFFICE OF RESEARCH, DEVELOPMENT, AND TECHNOLOGY AT THE TURNER-FAIRBANK HIGHWAY
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IN THIS SECTION

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HIGHWAY SAFETY INFORMATION SYSTEM (HSIS)


HIGHWAY SAFETY INFORMATION SYSTEM (HSIS) 2024 GUIDEBOOKS

Check out the HSIS new guidebooks from Washington, California, Minnesota,
Illinois, Ohio, Maine, and North Carolina. The city of Charlotte, North
Carolina, also has one!


ENJOY YOUR INDEPENDENCE DAY

Happy Fourth of July from the Highway Safety Information System (HSIS) Team!




ITE ANNUAL MEETING AWARDS PRESENTATION



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WHAT IS HSIS?

The HSIS is a multistate database that contains crash, roadway inventory, and
traffic volume data for a select group of States. Download the HSIS brochure
(PDF, 590 KB) to learn more.


2024 EXCELLENCE IN HIGHWAY SAFETY DATA AWARD IS NOW OPEN!

The Excellence in Highway Safety Data Award’s goal is to encourage university
students to use HSIS data with the intent of introducing potential future
highway safety professionals to good quality safety data, the application of
appropriate research methods to derive recommendations, and the practice of
using data to make decisions.

Learn More






To request data, you must create an account to place your request. The first
bullet has the link to sign up and the second bullet includes instructions on
how to sign up.

 * HSIS Data Request:
   https://securedatacommons.atlassian.net/servicedesk/customer/user/login?destination=portals(link
   is external)
 * How to sign up for the USDOT-SDC Service Desk:
   https://securedatacommons.atlassian.net/wiki/spaces/DESK/pages/2004189187/How-To+Sign+up+for+the+Service+Desk(link
   is external)




Products
 



HSIS data are used in a wide variety of research efforts. Products of these
efforts include HSIS summaries, research reports, safety analysis tools, and
published articles and technical papers in professional journals.


Data


HSIS is a roadway based system that provides quality data on a large number of
accident, roadway, and traffic variables. It uses data being collected by states
for managing the highway system and studying highway safety.



Resources



There are numerous organizations and other entities in the United States that
are working to make our roads safer. Links are provided to the web sites of
these groups as well as links to additional sources of crash data.

 



 

The participating States were selected based on the quality and quantity of data
available, and their ability to merge data from various files.

 

California Illinois Maine Michigan Minnesota Charlotte, NC North Carolina Ohio
Utah Washington

 





REALISTIC ARTIFICIAL DATASETS

The Exploratory Advanced Research Program developed realistic artificial
datasets (RADs) so State and local agencies can further research in safety data,
high-risk roadway features, and effects of proposed safety measures. Data-driven
safety analysis models coupled with RADs can test different cause-and-effect
relationships.

Learn More

UPDATED PEDESTRIAN AND BICYCLE CRASH ANALYSIS TOOL (PBCAT) NOW AVAILABLE

Pedestrians, bicyclists, and other non motorist road users account for a growing
share of all US traffic fatalities in recent decades. The Pedestrian and Bicycle
Crash Analysis Tool version 3.0 (PBCAT v3) is an update to previous PBCAT
applications to help road safety professionals improve their understanding of
non motorist crashes. The application allows users to categorize their non
motorist crashes and create a data set for analysis. PBCAT v3 works with most
modern internet browsers and is free of charge to use.

Learn More

NEW DATA AVAILABLE

HSIS now has data available for all agencies through 2020, and some agencies are
available through 2021. Data formats include GIS, as well as tabular datasets.
Please check back regularly for recent updates to the HSIS data system.

Learn More





 

FHWA recently completed two research studies that resulted in unique databases
that may be utilized by other researchers for investigate additional safety
issues.

Motorcycle Crash Causation

The Motorcycle Crash Causation database includes motorcycle crash data from 351
intensive post crash investigations and observations and interviews for 702
paired control cases. All data were collected in Orange County, California from
2011 to 2016.

Roadway Lighting

The Roadway Lighting database includes data collected as part of the project
“Strategic Initiative for Evaluation of Reduced Lighting on Roadways” (FHWA
Project DTFH61-13-D-00018). As part of the FHWA project, in situ lighting
performance data were acquired on sample roadways in seven states including
California, Delaware, Minnesota, North Carolina, Vermont, Virginia, and
Washington.


For more information or to request either of these databases, please contact
Carol Tan, Safety Data and Analysis Team Leader, at carol.tan@dot.gov(link sends
email).





U.S. DEPARTMENT OF TRANSPORTATION

Federal Highway Administration

1200 NEW JERSEY AVENUE, SE

WASHINGTON, DC 20590

202-366-4000

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