Case Study Tag: Planning

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Safer By Design Safety Scoring Tools

Texas
TxDOT's Safety Scoring Tools help designers understand the safety impacts of design elements and optimize safety in projects.
TXDOT Safer By Design Webpage2023 Safety Summit Poster

Traffic Safety Data Portal

Texas
TxDOT uses a crash data portal to improve safety and educate the public. Public service announcements and further information for each emphasis area is embedded alongside the data.
TXDOT Traffic Safety Data PortalEnd the Streak Campaign Webpage2023 Safety Summit Poster

Pedestrian Safety Improvements in Project Planning and Scoping

Nebraska
Nebraska DOT uses a variety of data analysis and screening methods during project planning and scoping to select countermeasures. Methods are also applied to systemic safety projects.
2023 Safety Summit Poster

NCHRP Synthesis 336: DOT Practices for Road Safety Audits (RSAs)

NCHRP
With growing use of Road Safety Audits (RSAs), NCHRP gathered several state DOT case examples, compiled a list of available resources, and suggested future research.
Synthesis 336 ReportFHWA Road Safety Audit WebpageFHWA Pedestrian and Bicyclist RSA Guide2023 Safety Summit Poster

Development and Application of Safety Performance Functions in Project Delivery

Iowa
Based on models of Safety Performance Functions (SPFs), Iowa screened roadway facilities for Potential for Crash Reduction (PCR). PCR was then applied to project screening and prioritization, intersection projects, Super-2 corridor studies, a pilot safety corridor program, and environmental assessments.
Iowa State University ArticleIowa DOT PCR Portal2023 Safety Summit Poster

Safety in Project Development

Texas
TxDOT is incorporating safety into project development through various policies, programs, strategies, methods, and guidelines. For example, the TSAP manual and Safer By Design tools are newer resources to help TxDOT employees incorporate safety into all they do.
Safer By Design WebpageTexas Traffic Safety Analysis Procedures Manual (TSAP) Manual2024 Safety Summit Poster

Safe Truck Mobility for North Dakota Winter Roads

North Dakota
North Dakota Highway Patrol and North Dakota DOT studied crash risk and travel disruption due to severe winter storms through a Safe System lens. They found several proactive opportunities for safe truck mobility during winter storm events.
Research ReportResearch BriefTRID Record2024 Safety Summit Poster

Get Involved with Transportation Research Board (TRB)

NCHRP
NCHRP and BTSCRP develop resources for DOTs, transportation professionals, and other agencies. Resources include research related to the AASHTO Highway Safety Manual and AASHTO Manual for Assessing Safety Hardware, safety guides for practitioners, and behavioral research. Transportation professionals may contribute problem statements, conduct research, contribute to TRB Standing Committees, and volunteer for project panels.
NCHRPBTSCRPTRIS2024 Safety Summit Poster2025 Safety Summit Poser

Safety Tools for Intersection Control Evaluation (ICE)

FHWA
ICE is a process that provides a framework, steps, and tools for agencies to make data-driven safety decisions about intersection forms and controls. NCHRP and FHWA offer several tools to support ICE.
NCHRP Report 1087: Guide for ICEFHWA ICE WebpageNCHRP Report 948: 20 Flags Calculator2024 Safety Summit Poster

Prioritizing Safe System Elements Along a Rural Continuum

FHWA
This pilot effort created a new way of looking at rural safety needs on a continuum. The project used six characteristics: block size, distance to fire stations, distance to public schools, distance to Level 1 & 2 trauma centers, intersection density, and undeveloped land.
2020 Census Block MapsHomeland Infrastructure Foundation-Level Data (HIFLD)National Transportation Atlas Database (NTAD)USDA National Land Cover Database2024 Safety Summit Poster
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