Category Archives: Crashes

A crash in Toronto

Have a look here: https://globalnews.ca/news/6209332/video-cyclist-struck-markham/ So, who was at fault, but more importantly, because an ounce of prevention is better than a ton of cure, who could have prevented the crash? The bicyclist came from the right, pushed the button … Continue reading

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Crash on the Pinellas Rail Trail

An article about a car-bicycle crash on the Pinellas Rail Trail in Florida is on the Cycling Today Web site. Please view the embedded video there before reading the rest of this post. There is a lot of nonsense about … Continue reading

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Mighk Wilson’s report on Orlando bicycle crashes

Mighk Wilson, who works for the Orlando, Florida metropolitan planning organization, has prepared a very interesting study of bicycle crashes in the Orlando area based on a database of 5,000 crashes, 2011-2017. The study is important in that it distinguishes … Continue reading

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Description and history of the location of the Tempe crash

Comments from Reed Kempton, a Senior Planner with the Maricopa County Department of Transportation, late in the day on March 21. This is an addition to my earlier post about the crash. I thank Reed for his permission to post … Continue reading

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The Tempe crash

The dashcam video in the recent Tempe crash which killed a woman walking across the street with a bicycle has now been released. To me, it is quite clear that the human driver was dozing off or distracted and that … Continue reading

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Avoiding the left cross

This post isn’t about pointing the finger of blame. If that is to your taste, you can find endorsement of that position in many of the comments on the video on YouTube. But I think that we would rather avoid … Continue reading

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Alice Swanson fatality, a right hook

Here is the intersection in Washington, DC, where cyclist Alice Swanson was killed by a right-turning garbage truck. The Street View is from 2009, as close as Google gets to the year of the crash (2008). The big cross street … Continue reading

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Duck Boat crashes

We had a duck boat run into a motor scooter from behind on Saturday, May 7, 2016 in Boston, killing one of the riders. It isn’t clear from the news story why this happened, though I expect that the poor … Continue reading

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Some thoughts about self-driving cars

Google’s report on its self-driving cars: http://static.googleusercontent.com/media/www.google.com/en/us/selfdrivingcar/files/reports/report-0515.pdf Most than half of the collisions reported in this document are slow-speed rear-enders of the Google cars. That’s unusual. It might be that the behavior of the Google cars is more cautious than … Continue reading

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Translation of complete paper on German bikeways 1897-1940

I’ve prepared a full translation of the important paper by Dr. Volker Briese of the University of Paderborn in Germany about the history of German bikeways from 1897 through the start of World War II. This has previously been available … Continue reading

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