John S. Allen's Bicycle Blog

A fundamental principle of traffic engineering is that the road user who is required to yield right of way (in this case the motorist) must be able to see the one to whom yielding, unless a traffic signal establishes who must yield.

An article contends that Dutch people are competent bicyclists because they can ride while carrying an adult passenger on the rear rack or the handlebar, or holding an umbrella, or walking a dog.

Cyclist and planner Andrew Besold comments: I must say that I’m a cyclist and I was all for the Idaho Stop Law.

Here’s a video from BicycleDutch.

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

This article refers to a 2007 Copenhagen study.

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.

In a comment on a Facebook post (July 30, 2025 by Richard Freierman — sorry, post not individually addressable).

I discovered John Forester’s book Effective Cycling in 1978, before there was a League course.

“Corking” (unsanctioned ride marshaling, blocking intersections) is common practice on many urban rides that do not make arrangements with authorities.