Entries by Dan Gutierrez

Understanding Bicycle Transportation Presentation

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Dan Gutierrez ‘s presentation on his Understanding Bicycle Transportation course at the I am Traffic Colloquium was recorded as video in three parts. Part 1 is here. Scroll down for links to Parts 2 and 3. Links are also in the descriptions with the videos. Part 2 of this presentation. Part 3 of this presentation […]

Black Hawk, Colorado Ruling Exposes Catch-22

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This article from 2013 comments on a Colorado town’s prohibiting bicycling, gathering statewide and national attention, and a lawsuit in which that prohibition was overturned on appeal. i am traffic was unique in taking a close look and pointing to troubling legal implications of the outcome. — John Allen, August 3, 2024. Now that I’ve […]

Ask i am traffic: Shoulders as Bike Lanes

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Our local highway and traffic department has striped a “bike lane” on the shoulder of a busy road. Much of the bike lane is split between “road grade” pavement and “shoulder grade” pavement by a meandering line. Are there any standards at all for condition of the paved surface in a bike lane?

Bicyclist Behaviors & Crash Risk

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Successful bicyclist behavior is driven by knowledge of common crash types and the behaviors needed to successfully avoid them. This article explores the characteristics and consequences of bicyclist behavior.