Case Study Tag: Systemic approach

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Improving Safety and Mobility at Traffic Signals

Utah
UDOT is addressing safety and mobility at traffic signals for all road users, including snow buildup in traffic signal LEDs, wrong-way driving countermeasures, and accessible pedestrian signals. Automated performance measures allow for full situational awareness, even for vulnerable road users.
Traffic Signals WebpageLocal News Video-LIDARATSPM Webpage2024 Safety Summit Poster

New Jersey’s Systemic Approach to Safety

New Jersey
NJDOT's Systemic Approach to Safety focuses on proactively addressing crash risk by widely implementing low-cost, proven effective countermeasures throughout a roadway network. The systemic approach considers elements not typically identified through traditional approaches.
2024 Safety Summit Poster

The Safe System Approach in New Jersey

New Jersey
NJDOT has integrated the six principles and five elements of the Safe System Approach (SSA) into its programs, practices, and projects, aiming to achieve zero fatalities and serious injuries on all public roads.
Presentation Slides2024 Safety Summit Poster

Wrong-Way Driver Action Plan

New Hampshire
The NHDOT Wrong-Way Driver Action Plan aims to address the increasing threat of wrong-way drivers by identifying risk factors and guiding systemic deployment of countermeasures.
Local News Article2024 Safety Summit Poster

Two-Way to All-Way Stop Control

New Hampshire
When all-way stop control (AWSC) was applied as a systemic safety improvement in rural areas of New Hampshire, total crashes reduced by 71%; 90% in injury crashes, and 75% in fatal crashes.
NHDOT Newsletter ArticlePress Release, ConcordPress Release, SalisburyPresentation, Chester2024 Safety Summit Poster

Data for Proactive Road Safety: Continuous Pavement Friction Measurement

Kentucky
Pavement Friction Management (PFM) using Continuous Pavement Friction Measurement (CPFM) is a proactive approach for managing pavements for safety throughout the roadway lifecycle. Taking a lifecycle approach to designing, specifying, and maintaining friction performance saved Kentucky more than $1 billion annually and reduced fatal and severe crashes by up to 24%.
FHWA Case StudyPresentation SlidesUSDOT Flyer2024 Safety Summit Poster

American Samoa Road Safety

American Samoa
The rugged terrain and high-sloped roadsides of Pacific islands is prone to rockfall, landslides, and tidal waves. American Samoa employs a variety of strategies and traffic devices to improve safety.
Highway Safety Plan 2024-262024 AASHTO Safety Summit Poster

Statewide Deployment of Center Line Rumble Strips

Oklahoma
Centerline rumble strips reduced fatal and serious injury collisions by 18%.
Local News ArticleFHWA GuidanceAASHTO Case Study

Roundabouts at High-Speed Intersections in North Carolina

North Carolina
Roundabouts at high-speed intersections reduced total crashes by 41% and fatal and injury crashes by 79%.
Evaluation of Roundabouts on High-Speed RoadwaysRoundabouts WebpageAASHTO Case Study

Reduced Conflict Intersections in North Carolina

North Carolina
Reduced Conflict Intersections reduced total crashes by 50% and frontal impact crashes by 80%.
Reduced Conflict Intersections WebpageAASHTO Case Study
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