From big data to speed and safety: A review of surrogate safety measures based on speeds from floating car data

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F44994575%3A_____%2F17%3AN0000084" target="_blank" >RIV/44994575:_____/17:N0000084 - isvavai.cz</a>

Výsledek na webu

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DOI - Digital Object Identifier

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Jazyk výsledku

angličtina

Název v původním jazyce

From big data to speed and safety: A review of surrogate safety measures based on speeds from floating car data

Popis výsledku v původním jazyce

(presented at 2017 Australasian Road Safety Conference, Perth, 10. – 12. 10. 2017) In order to overcome biases of crash-based safety analyses, research is looking for surrogate safety measures. A candidate are speeds derived from floating car data (FCD, or probe vehicle data). The goal of the review is to identify challenges and opportunities regarding using FCD speeds to develop surrogate safety measures. Specific points focused on the questions of sampling rate, study size, free-flow speed determination, reliability and validity. The review indicated several remaining knowledge gaps in relation to reliability of different FCD speed sources, sampling design, or estimation of free-flow speeds. Many of these gaps are likely to be quickly resolved at the current rate of research. The main conclusion is that benefits, limitations and nature of different FCD sources need to be carefully understood and considered before adopting FCD speeds as a surrogate safety measure. Further research and development opportunities exist in the subject area.

Název v anglickém jazyce

From big data to speed and safety: A review of surrogate safety measures based on speeds from floating car data

Popis výsledku anglicky

(presented at 2017 Australasian Road Safety Conference, Perth, 10. – 12. 10. 2017) In order to overcome biases of crash-based safety analyses, research is looking for surrogate safety measures. A candidate are speeds derived from floating car data (FCD, or probe vehicle data). The goal of the review is to identify challenges and opportunities regarding using FCD speeds to develop surrogate safety measures. Specific points focused on the questions of sampling rate, study size, free-flow speed determination, reliability and validity. The review indicated several remaining knowledge gaps in relation to reliability of different FCD speed sources, sampling design, or estimation of free-flow speeds. Many of these gaps are likely to be quickly resolved at the current rate of research. The main conclusion is that benefits, limitations and nature of different FCD sources need to be carefully understood and considered before adopting FCD speeds as a surrogate safety measure. Further research and development opportunities exist in the subject area.

Druh

O - Ostatní výsledky

CEP obor

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OECD FORD obor

20104 - Transport engineering

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů