Comprehensive Transportation Equity Analysis for RITI Community: A Data-Driven Approach With Case Study

Wang, Yinhai; Sun, Wei; Ricord, Sam; Souza, Cesar Maia de; Ling, Yifan; Shi, Yan; Wang, Bingzhang; Nasri, Mehrdad; University of Washington; University of Alaska Fairbanks. Center for Safety Equity in Transportation (CSET)

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ROSA P serves as an archival repository of USDOT-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by USDOT or funded partners. As a repository, ROSA P retains documents in their original published format to ensure public access to scientific information.

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Comprehensive Transportation Equity Analysis for RITI Community: A Data-Driven Approach With Case Study

2024-07-30
By Wang, Yinhai ; Sun, Wei ; Ricord, Sam ; ...

[PDF-2.31 MB]

English

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Creators:

Wang, Yinhai ; Sun, Wei ; Ricord, Sam ; Souza, Cesar Maia de ; Ling, Yifan ; ... More +

Wang, Yinhai ; Sun, Wei ; Ricord, Sam ; Souza, Cesar Maia de ; Ling, Yifan ; Shi, Yan ; Wang, Bingzhang ; Nasri, Mehrdad Less -
Corporate Creators:

University of Washington ; University of Alaska Fairbanks. Center for Safety Equity in Transportation (CSET)

University of Washington ; University of Alaska Fairbanks. Center for Safety Equity in Transportation (CSET) Less -
Corporate Contributors:

United States. Department of Transportation. University Transportation Centers (UTC) Program ; United States. Department of Transportation. Office of the Assistant Secretary for Research and Technology

United States. Department of Transportation. University Transportation Centers (UTC) Program ; United States. Department of Transportation. Office of the Assistant Secretary for Research and Technology Less -
Subject/TRT Terms:

[+]

Case Studies Classification Methods Collisions Crash Severity Data Collection Equity (Justice) Evaluation And Assessment HSIS Database Machine Learning Pedestrian Safety Roadway Safety Assessment Rural Areas Safety Safety Data Tool Statistical Analysis Statistical And Machine Learning Modeling Traffic Lanes
Resource Type:

Tech Report
Geographical Coverage:

Alaska ; United States

Alaska ; United States Less -
Edition:

Final report, Sep 2021 – Jun 2024
Corporate Publisher:

University of Alaska Fairbanks. Center for Safety Equity in Transportation (CSET)
Abstract:

The report presents a comprehensive analysis addressing safety equity concerns for rural communities and American Indian and Alaskan Native (AI/AN) populations, who experience disproportionate rates of serious injuries, fatalities, and general collisions. Despite these disparities, significant gaps exist in understanding the demographics of collisions, particularly within tribal communities where law enforcement jurisdictions are complex, and individuals may misreport their tribal status to gain benefits, leading to biases in collision data. This study aims to fill these gaps by developing a statistical model to predict the true demographics of collisions and enhance safety equity. An ecological regression model, accounting for individual-level characteristics influencing collision rates, is employed. Focusing on Yakima County, Washington—a rural area with the large Yakama Nation reservation—the study examines the impact of household income and AI/AN status on collision rates across three categories: all collisions, injury collisions, and fatal collisions. The results reveal that lower-income individuals are slightly overrepresented in collisions, while higher-income individuals are underrepresented. However, AI/ANs are significantly overrepresented in all collision types, being 3.8 times more likely to be involved in fatal collisions compared to the general population. These findings highlight the utility of ecological regression in revealing the true demographics of collisions and underscore critical safety equity issues in rural and AI/AN communities.
Format:

PDF
Funding:

INE/CSET 24.11
Collection(s):

University Transportation Centers
Main Document Checksum:

[+]

urn:sha-512:4e4a8c15c8a4eb433ce6655563ea2e4b0c76857c8a8b9a19a5b5301e0915fb29764f99332852f049e468ce0834d1726b0dc03c387d03f35d4a282a82883b37b4
Download URL:

https://rosap.ntl.bts.gov/view/dot/76520/dot_76520_DS1.pdf
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Comprehensive Transportation Equity Analysis for RITI Community: A Data-Driven Approach With Case Study

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