Time-series intervention analysis of pedestrian countdown timer effects.

Bradley E Huitema,Ron Van Houten,Hana Manal

Accident Analysis & Prevention（2014）

引用 19|浏览2

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摘要

•An intervention time-series model was developed to evaluate countdown timer effects.•Pedestrian crashes decreased as countdown timer density increased.•Crash frequency in control sites changed little over the 120 months of the study.•Ultimate crash level was one-third the level observed before introducing timers.

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关键词

Countdown timers,Crash analysis,Interrupted time-series design,Intervention analysis,Pedestrian safety,Time-series regression models

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