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Rapid Reporting of Vehicle Crash Data in California to Understand Impacts from COVID-19 Pandemic on Traffic and Incidents

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  • Waetjen, David PhD
  • Shilling, Fraser PhD

Abstract

In 2015, the Road Ecology Center at UC Davis developed a web-based method to collect all incident data that appear on the CHP real-time incident-reporting website (https://cad.chp.ca.gov/). These data are assembled into a database called CHIPS, the California Highway Incident Processing System. Previous analyses suggest that these data are more spatially accurate than other state resources (e.g., the Statewide Integrated Traffic Records System (SWITRS)). Because they are collected and organized in real-time, they can also be shared and queried more easily. The current project developed a web-portal that supports queries for counties and specific highways (https://roadecology.ucdavis.edu/resources/covid19- traffic). The results shown make apparent the reduction in crashes and traffic during the summer 2020 peak of the COVID19 pandemic.

Suggested Citation

  • Waetjen, David PhD & Shilling, Fraser PhD, 2021. "Rapid Reporting of Vehicle Crash Data in California to Understand Impacts from COVID-19 Pandemic on Traffic and Incidents," Institute of Transportation Studies, Working Paper Series qt078193ht, Institute of Transportation Studies, UC Davis.
    • Handle: RePEc:cdl:itsdav:qt078193ht
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    Cited by:

    1. Christopher J. Ruhm, 2021. "Excess Deaths in the United States During the First Year of COVID-19," NBER Working Papers 29503, National Bureau of Economic Research, Inc.

    More about this item

    Keywords

    Engineering; Traffic incidents; traffic data; crash data; crash rates; databases; websites; data fusion; real time information; geospatial data;
    All these keywords.

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