Tag Archives: research

Mighk Wilson’s report on Orlando bicycle crashes

Posted on October 3, 2018 by jsallen

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 →

Posted in Bicycle facilities, Bicycling, Bike lanes, Crashes, Cycle tracks, Sidepaths | Tagged , , , , , , , , , , , , , , , , , , | Leave a comment

Another deceptive poster

Posted on February 9, 2018 by jsallen

More evidence that the anti-car crowd can’t think its way out of a paper bag. Even when they could make a much better case for themselves. The text, in Italian, reads “space necessary to transport 48 persons: auto, electric car, robotic … Continue reading →

Posted in Bicycling, robotics | Tagged , , , , , , , | 7 Comments

M. Kary on the epidemiological approach to traffic-safety research

Posted on February 12, 2016 by jsallen

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 , , , , , , , , , , , , , , , , , , , | 7 Comments

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

Posted on July 1, 2014 by jsallen

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

Safe bicycle routes: engineering versus epidemiology

Posted on October 8, 2013 by jsallen

Note as of November 17, 2013: I have reviewed this post to correct typos, improve wording, and add headings. I have highlighted substantial changes and additions. Note as of May 23, 2014: I have added links to reviews of the … Continue reading →

Posted in Bicycling | Tagged , , , , , , , , , , , , , , , , , , , | 19 Comments

Barrier features

Posted on August 23, 2011 by jsallen

The same barrier can have more than one of the characteristics listed below, and they may be different for different types of vehicles. Containment: The barrier prevents a vehicle from, for example, going over a cliff, or straying into oncoming … Continue reading →

Posted in Bicycle facilities, Bicycling, Crashes, Laws | Tagged , , , , , , , , , , , , , , , , , , | 11 Comments

Review of the Austin shared-lane marking report

Posted on August 21, 2011 by jsallen

The City of Austin, Texas, working with researchers from the University of Texas, has prepared a report on shared-lane markings. This is available at http://www.ci.austin.tx.us/publicworks/downloads/ctr_sharrows_report.pdf I understand that this report also has been published in the Journal of the Institute … Continue reading →

Posted in Bicycling, SLM | Tagged , , , , , , , , , , , , , | 3 Comments

Lyon study — cyclists ride faster in rush hour?

Posted on December 7, 2010 by jsallen

A blog posting published by the Massachusetts Institute of Technology describes a study of cycling in Lyon, France. News accounts of the report are making some rather strange assertions, such as that cyclists ride faster during rush hour than in … Continue reading →

Posted in Bicycle facilities, Bicycling, Laws | Tagged , , , , , , , , , , , , | 3 Comments

Davis, California historical documents

Posted on November 7, 2010 by jsallen

Thanks to John Ciccarelli, Robert Sommer and David Takemoto-Weerts — and David’s students — among others — I am able to post online a number of documents about bicycling in Davis, California and the Davis bicycle program. Davis has the … Continue reading →

Posted in Bicycling, Roundabouts | Tagged , , , , , , , , , , , , | 2 Comments

I approve of this?

Posted on October 29, 2010 by jsallen

UPDATE: This post gives background information on the intersection. I have now ridden through it, and my opinion of it has changed. I have another post about it, and a video. Please check them out. The image below shows a … Continue reading →

Posted in Bicycle facilities, Bicycling, Bike box, contraflow | Tagged , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , | 10 Comments