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Author Archives: jsallen
Hembrow slams Danish infrastructure
David Hembrow, of the BicycleDutch blog, criticizes the two-stage turn queing box and champions separating bicycle and motor traffic temporally using traffic signals. https://www.aviewfromthecyclepath.com/2010/07/not-really-so-great-cycle-path-design.html
Posted in Bicycling
Tagged Amsterdam, bicycle, BicycleDutch, bikeway, Dutch, Hembrow, mode share, Netherlands, safety
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Søren Underlien Jensen replies to comments on the 2007 Copenhagen study
Much of the information Dan Gutierrez gives on facebook seems to be correctly interpreted. He shows correctly that the total number of crashes increased by 10 % in my study of bicycle tracks in Copenhagen. However, he misinformed about the … Continue reading
Denial on two levels
Two varieties of n In the crude “it just sort of happened” narrative, the driver bears no responsibility, and in the cosmic New Age narrative, the driver bears no responsibility. Got it.
Posted in Bicycling
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Arthur Gaer on the difference between Amsterdam and Copenhagen.
In a comment on a Facebook post (July 30, 2025 by Richard Freierman — sorry, post not individually addressable). Arthur Gaer writes: I am currently in Amsterdam. The cyclists—human and electric powered—are insanely aggressive, blowing through crosswalks against the lights, riding … Continue reading
Posted in Bicycling
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My route to ECI and CSI
I discovered John Forester’s book Effective Cycling in 1978, before there was a League course. I had already cycled as an adult for 14 years, including 7 years in which I rode in Boston-area urban traffic and two years taking … Continue reading
Posted in Bicycling
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About Corking
“Corking” (unsanctioned ride marshaling, blocking intersections) is common practice on many urban rides that do not make arrangements with authorities. Corking is an element of what I’d call “vernacular cycling.” It is illegal, but police come to look the other … Continue reading
Roger Geller’s categories conflate characteristics.
Aligning characteristics which do not necessarily go with one another is to create a preordained conclusion and a stereotype. Examples: red-headed and hot-tempered; male and sexist; dumb and blonde. A respectable study would not lump characteristics together, but rather, describe … Continue reading
Posted in Bicycling
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Patricia Kovacs’s review of crashes in a two-way separated bikeway
Patricia’s review is here. She reports an increase in the number and rate of crashes on Summit Street in Columbus, Ohio following the installation of a two-way parking-separated bikeway on the right-hand side of this one way street. A cyclist … Continue reading
Posted in Bicycling
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Video added to Franconia Notch State Park pages.
My suite of pages about the Franconia Notch State Park Multi-Use Trail in New Hampshire now includes a video of a ride on the Trail. The most comprehensive treatment of the conditions of the trail is in the linked photo … Continue reading
Seen on the Superpedestrian site
What’s wrong with this picture? It’s the main photo on the home page of Superpedestrian, which manufactures the Copenhagen Wheel, a bicycle hub motor that looks like a huge M & M candy. No, the problem isn’t anything about the … Continue reading
Posted in Bicycling
Tagged ad, advertisement, bicycle, Copenhagen, Copenhagen Wheel, pedal, pedals, Superpedestrain, toe clips
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