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Category Archives: Bicycling
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
Ogden, Utah skateboarder stop
There’s plenty of confusion to go around here. http://www.ksl.com/?nid=148&sid=35631391 Deputy: “I don’t care, you’re right in the middle of the road.” No, the boarder was on the shoulder, at least in the part of the video the TV station broadcast. … Continue reading
Posted in Bicycle facilities, Bicycling, Bike lanes
Tagged law, Ogden, pedestrian, police, sidewalk, skateboard, traffic, Utah, vehicle
1 Comment
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 bicycle, Bicycling, bike lane, crash, crosswalk, pedestrian, rotary, roundabout, safety, traffic, traffic circle, vehicle, video
13 Comments
Comments on the Ohio roundabout video
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
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 bicycle, Bicycling, bike lane, bike path, bikeway, Briese, Copenhagen, cycle track, cycle tracks, Europe, Fahrrad, Germany, Henneking, law, Paderborn, Radweg, sidepath, Volker Briese
1 Comment
ShelBroCo Magic Green Paint
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!
The last word in safe bicycling, NOT! I mean, this could be a premature April fool’s joke! (September 2025 edit: Reviewing some of my old posts to update video links, I find this has been marked ‘private’ on YouTube! I’ll … Continue reading
Posted in Bicycling
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Another pretty picture from Indianapolis
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
[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?
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
