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Author Archives: jsallen
Misleading poster redux
The panel at the right is from a poster called The Commuter Toolkit put out by International Sustainable Solutions for an organization called the International Sustainability Institute. You may view it full size by clicking it or view the full … Continue reading
Posted in Bicycling
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Lane Control on Lexington Street
Here’s a video showing a bicycle ride on a constant mile-long upslope, at speeds of 10 to 12 miles per hour (16 to 20 km/h), on a suburban 4-lane speedway with narrow lanes and no shoulders, the most challenging street … Continue reading
Posted in Bicycling
Tagged bicycle, Bicycling, Boston, lane, lane control, law, Lexington, Massachusetts, motor vehicle, pedestrian, safety, traffic, vehicle, Waltham
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Bruce Epperson’s observations on transportation funding
Bicycle historian Bruce Epperson has written a paper examining trends in transportation funding in the USA from the 1960s to the present. It makes interesting reading. With his permission, I have made the paper available in PDF format on this … Continue reading
Wow, it’s a laser!
A post on the Grind online news site heralds the Blaze, a laser bicycle light gimmick — not the first to be reviewed on this blog The Blaze hits the market with some rather clever — and deceptive — advertising … Continue reading
Posted in Bicycling
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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
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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
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