Category Archives: Bicycling

Change lanes in a roundabout?

Posted on June 10, 2015 by jsallen

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

Comments on the Ohio roundabout video

Posted on June 9, 2015 by jsallen

I’ve moved the comments here from another post, which was getting long. Here’s the Ohio video: Summarizing my comments about the video, it shows roundabouts, a useful, time-efficient though space-intensive intersection design, but it gives some questionable advice on design … Continue reading →

Posted in Bicycling | 1 Comment

Translation of complete paper on German bikeways 1897-1940

Posted on May 14, 2015 by jsallen

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

ShelBroCo Magic Green Paint

Posted on March 31, 2015 by jsallen

Here’s a high-tech product which deserves to be used in every new bicycle infrastructure project. The linked page gives a thorough description and videos!  

Posted in Bicycling | 2 Comments

Volvo promotes a reflective paint which fades in 10 days!

Posted on March 29, 2015 by jsallen

The last word in safe bicycling, NOT! I mean, this could be a premature April fool’s joke! The Volvo promotion, also touted on the blog The Verge, is more an exercise in creative photography than anything else, but also does … Continue reading →

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Another pretty picture from Indianapolis

Posted on March 6, 2015 by jsallen

Here’s another picture from Indianapolis which I discovered online. Its geometry is slightly distorted, as it is from a screen shot. New York Street, in this picture, makes a two-way pair with Michigan Street, which I discussed in my previous … Continue reading →

Posted in Bicycling | 7 Comments

PeopleforBikes approves transformation of Michigan Street, Indianapolis with Photoshop

Posted on March 4, 2015 by jsallen

[Note: I’ve changed the title and a few words in this article, because a reader has pointed out the the drawings I’ve commented on, while approved by PeopleforBikes, are not from PeopleforBikes — the impression which an article I cited … Continue reading →

Posted in Bicycling | 20 Comments

Is this an electrically-assisted bicycle?

Posted on February 27, 2015 by jsallen

The photo above is of ELF microcars from the US company Organic Transit. The ELF is marketed as a velocar — an enclosed, pedal-powered vehicle — but in reality, it is an electrically-powered microcar designed to meet the legal definition … Continue reading →

Posted in Bicycling | 3 Comments

When slow is too fast

Posted on February 26, 2015 by jsallen

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

Lessons of Taiwan crash

Posted on February 23, 2015 by jsallen

The video embedded below of a car-bicycle collision in Taipei, Taiwan has been making the rounds on the Internet. When you have started the video playing,you can click on “Youtube”, and then on the little gear wheel at the lower … Continue reading →

Posted in Bicycling | 1 Comment