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TIRF TiPS – Roundabouts

By: Robyn Robertson

In this episode of TIRF TiPS, Toronto Police Constable Sean Shapiro and Craig Lyon, TIRF Director, Road Safety Engineering, discuss roundabouts.

Download and share TIRF’s infographic on roundabouts available in JPG or PDF.

Also, be sure to check out our #MySafeRoadHome blog on roundabouts:

Source documents and resources:

Nearly 20,000 vehicles went through red lights in Hamilton in 2022, according to city camera data, CBC News, March 18, 2023

Understanding & Preventing Distractions on the Road: #Infographic, TIRF #MySafeRoadHome blog,

Brilon, W. (2011, May). Studies on roundabouts in Germany: lessons learned. In 3rd International TRB Conference on Roundabouts, Carmel, Indiana.

Daniels, S., Brijs, T., Nuyts, E., & Wets, G. (2010). Explaining variation in safety performance of roundabouts. Accident Analysis & Prevention, 42(2), 393-402.

Polders, E., Daniels, S., Casters, W., & Brijs, T. (2015). Identifying crash patterns on roundabouts. Traffic injury prevention, 16(2), 202-207.

Sakshaug, L., Laureshyn, A., Svensson, Å., & Hydén, C. (2010). Cyclists in roundabouts—Different design solutions. Accident Analysis & Prevention, 42(4), 1338-1351.

IIHS (June, 2022). Roundabouts.

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David Bird

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