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Category Archives: Bicycling
Helmet disparagement and ethics
To quote the late, great Dutch traffic engineer Hans Monderman, “Never treat anyone in the public sphere like an idiot. If you treat him like an idiot, he will act like an idiot.” Providing helmets is difficult when bicycles are … Continue reading
M. Kary on the epidemiological approach to traffic-safety research
M. Kary has released the manuscript of his paper on the unsuitability of the epidemiological approach in studying traffic safety. Unsuitability of the Epidemiological Approach to Bicycle Transportation Injuries and Traffic Engineering Problems Author: M Kary Injury Prevention 2015;21:73-76, Published … Continue reading
Posted in Bicycling
Tagged Anne Lusk, bias risk, BICE, bicycle, Bicycling, bicyclist, diversion bias, epidemiological, epidemiology, Harris, helmet, Kary, Lusk, M. Kary, research, safety, scientific method, Teschke, Toronto, Vancover
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Tesla Thermal Troubles: the Li-ion in Winter
My friend Brad Meyer, who lives in the next town over from me in Massachusetts, has owned a Tesla Model S car for more than a year. His observations raise some serious questions about the advantages of an electric car, … Continue reading
Posted in Bicycling
Tagged battery, cold, electric, generation, li-ion, lithium, lithium-ion, Model S, power, Tesla, weather, winter
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Streetsblog’s Angie Schmitt seeks to purge engineers
I just ran across a post from March 2015 by Angie Schmitt for Streetblog: The title is “Engineering Establishment Sets Out to Purge Deviant Bikeway Designs” I quote: The NCUTCD consists mostly of older engineers from state DOTs. In recent … Continue reading
Posted in Bicycling
6 Comments
A review of the film Bikes vs. Cars
I knew I’d have a problem with the film just based on the the title. There can be animosity between people on bikes and in cars, but bikes and cars are machines, which have no feelings and generally don’t get … Continue reading
The Downtube bike
On the weekend of November 7 and 8, 2015, I traveled to Pennsylvania and attended the Philadelphia Bicycle Exposition. My host John Schubert lent me his Downtube folding bicycle. I used it to explore the city and shoot video of … Continue reading
Posted in Bicycling
5 Comments
Reflective Clothing as Panacea — again.
This photo in a New York Times article shows a bicyclist riding with a reflectorized shirt, which shows up well in a photo taken with flash on the camera, but the bicyclist has NO HEADLIGHT. The manufacturer of the … Continue reading
Posted in Bicycling
7 Comments
Another crosswalk confusion, and a fatality
In response to my post about confused yielding requirements where shared-use paths cross streets, Ryan Reasons has published comments on a recent fatal truck-bicycle crash in the Seattle, Washington area. The photo below is from the KOMO TV/radio station news … Continue reading
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
Ogden, Utah skateboarder stop
There’s plenty of confusion to go around here. http://www.ksl.com/?nid=148&sid=35631391 Deputy: “I don’t care, you’re right in the middle of the road.” No, the boarder was on the shoulder, at least in the part of the video the TV station broadcast. … Continue reading
Posted in Bicycle facilities, Bicycling, Bike lanes
Tagged law, Ogden, pedestrian, police, sidewalk, skateboard, traffic, Utah, vehicle
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