Flashing Yellow Arrows: Bad Traffic Engineering?

A technologist who focuses on pointing out problems with poorly designed computer software and websites takes aim at a confusing flashing yellow arrow at an intersection.

1 minute read

July 27, 2007, 1:00 PM PDT

By Chris Steins @planetizen


"Your correspondent first came across a Flashing Yellow Arrow in a city outside of Los Angeles called Pasadena, where it was installed in an intersection along with all new traffic controls. Among the passengers of your correspondent's car a heated discussion ensued with your correspondent defending an alternative interpretation of the light than the other two travelers.

...Returning to the same intersection three months later your correspondent felt vindicated: city engineers had attached a sign to explain what the flashing yellow arrow meant."

Wednesday, July 25, 2007 in Missing Features Blog

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