Tag Archives: bicycle

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

Posted in Bicycle facilities, Bicycling, Sidepaths | Tagged , , , , , , , , , , , , | 6 Comments

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

Posted in Bicycling, Crashes | Tagged , , , , , , , , , | 4 Comments

Change lanes in a roundabout?

Ohio cyclist Patricia Kovacs posted an e-mail asking some questions about roundabouts: Ohio engineers are telling us to use the inner lane for left turns and U turns. Both the FHWA [Federal Highway Administration] and videos available on our local … Continue reading

Posted in Bicycling, Bike lanes, Roundabouts, traffic circles, Traffic Signals | Tagged , , , , , , , , , , , , | 13 Comments

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

Posted in Bicycle facilities, Bike lanes, Crashes, Cycle tracks | Tagged , , , , , , , , , , , , , , , , , | 1 Comment

When slow is too fast

The basic speed limit, not to go too fast under the existing conditions, is often lower than the posted speed limit. When facilities like the bike lane in the video are built in which 10 mph, or even 5 mph, … Continue reading

Posted in Bicycling, Bike lanes | Tagged , , , , , | 13 Comments

Monsere, Dill et al. — Not Yet a Review, But…

M. Kary, who prepared a review of the Lusk et al Montreal study, has had a preliminary look at the Monsere, Dill et al. study of barrier-separated on-street bikeways (“cycle tracks”) which the bicycle industry lobby PeopleforBikes is promoting as … Continue reading

Posted in Bicycle facilities, Bicycling, Cycle tracks | Tagged , , , , , , , , , , , , , , , , , , , , , , | 6 Comments

Berri at Cherrier, Montreal

Gerald Fittipaldi, who is on an e-mail list with me, has posted a video on Flickr of cyclists traveling through an intersection where a two-way bikeway turns from one street to the other. Clicking on the link above or the … Continue reading

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Fixie or track bicycle?

From Bicycling Magazine, June 2014, page 28: “A fixie (or fixed gear) is a singlespeed without brakes and without the mechanism that allows the bike to coast when you’re not pedaling.” That is a description of a track racing bicycle, … Continue reading

Posted in Bicycling | Tagged , , , , , , , , , , , , , , , , | 5 Comments

Godzilla’s toothpaste decorates Seattle bikeway

A new bikeway has recently opened on Broadway in Seattle, Washington state, USA. Someone has posted a video of a ride on the newly-opened bikeway. (To get a better view of the video, click on “YouTube” and open it up … Continue reading

Posted in Bicycling, Cycle tracks, Sidepaths | Tagged , , , , , , , , , , | 2 Comments

Children’s abilities — focusing on peripheral vision

My previous post addressed children’s cycling abilities. I’d like to take the discussion a bit further here. A conventional statement about children’s cycling abilities, as expressed on an e-mail list, is: Children also have less than fully developed peripheral vision … Continue reading

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