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Pedestrian Signals

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The impact of pedestrian countdown signals on pedestrian-motor vehicle collisions: a reanalysis of data from a quasi-experimental study.
Richmond SA, Willan AR, Rothman L, Camden A, Buliung R, Macarthur C, Howard A.
Inj Prev. 2014 Jun;20(3):155-8.

Rationale for inclusion: Pedestrian countdown signals INCREASED pedestrian-MVC's by 26% in Toronto.

CAVEAT: Re-review of previous data showing no difference

Citations  - To review the number of citations for this landmark paper, visit Google Scholar.

Pedestrian behavior at signalized pedestrian crossings.
Krsto Lipovac; Milan Vujanic; Bojan Maric; and Miladin Nesic.
J Transp Eng , February 2013, Vol. 139, No. 2 : pp. 165-172.

Rationale for inclusion: Noted increased jaywalking at signals without countdown timers than with.  Most effective with female pedestrians and those over 40.

Citations  - To review the number of citations for this landmark paper, visit Google Scholar.

Are pedestrian countdown signals effective in reducing crashes?
Pulugurtha SS, Desai A, Pulugurtha NM.
Traffic Inj Prev. 2010 Dec;11(6):632-41.

Rationale for inclusion: Noted decrease in both pedestrian-vehicle collisions AND vehicle-vehicle collisions at intersections in Charlotte, North Carolina.

CAVEAT: Small single-city study

Citations  - To review the number of citations for this landmark paper, visit Google Scholar.

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