US State: Georgia

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Data-Driven Calibration of Safety Performance Functions Using Optimization Techniques

Georgia
Georgia worked to calibrate SPFs for rural and urban roadways to optimize and refine SPF models. GDOT found that a combination of models for outlier detection and optimization yielded the most robust SPFs.
AASHTO Safety Summit Poster 2025

Systemic Safety Countermeasures and Collaborative Approaches at GDOT

Georgia
Georgia DOT uses crash data analysis to implement proactive, systemic safety countermeasures, improve safety for vulnerable users, optimize project delivery, and target unsafe driving behaviors.
TPM Peer Exchange Video, Sep. 2024

A Data-Driven Pedestrian Safety Analysis at Bus Stops in Georgia

Georgia
Using a proactive and systemic approach in collaboration with transit agencies allowed GDOT to implement a series of economically justified safe crossing projects.
GDOT Blog Post2023 Safety Summit Poster

Systemic and Proactive Rural Curve Evaluation

Georgia
GDOT incorporated visibility enhancements and friction improvements on rural curves after finding that lane departures represented a large proportion of fatalities on curves.
FHWA Low-Cost Local Safety Solutions, 6.1FHWA Case Study, page 532023 Safety Summit Poster

B/C Analysis Using Conflict Detection for Midblock Pedestrian Crossings

Georgia
Georgia DOT used conflict detection to assess pedestrian safety at midblock crossings in Jesup, Georgia, allowing for safety concerns to be assessed in further detail than utilizing crashes alone. Using proactive conflict detection data and reactive observed crash data, pedestrian safety projects can be economically justified and prioritized.
2024 Safety Summit Poster

AASHTOWARE Safety Powered by Numetric – Unleashing the Power of Crash Analytics

Georgia
AASHTOWare Safety powered by Numetric improved the efficiency of crash data analysis by 60%.
AASHTOWare ArticleNumetric Case StudyNumetric LRSP Case StudyAASHTO Case Study

Maximizing Safety Returns: A Strategic Approach to Safety Equipment Procurement

Georgia
The Safety Equipment Purchasing Program enables quick safety enhancements in dozens of local communities throughout Georgia, reducing deployment time from years to months.
Local Funding FlyerGeorgia 2023 FHWA HSIP ReportAASHTO Case Study

Safe System Approach Applied to GDOT Policy

Georgia
A revision to GDOT policy requires inclusion of vulnerable road user safety in setting speed zones.
Northeast Georgia Regional Commission ArticleAASHTO Case Study
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