The Traffic Signal Knows You’re There

Making intersections smarter and cyclists safer

Carl Alviani
Oct 28, 2014 · 11 min read

The fact that every busy intersection in an American city doesn’t see a dozen horrific collisions a day is, when you think about it, kind of a miracle.

Credit: U.S. Department of Transportation
Left: Schematic design of loop detector design Right: Physical representation of loop detector. Source: U.S. Department of Transportation
Credit: Jonathan Maus, BikePortland
Credit: Steve Boland
Credit: Steven Vance

The straightforward way out of this dilemma is to modify the conversation that infrastructure is having, so it’s more explicitly inclusive of non-drivers.

Credit: Jonathan Maus, BikePortland
The intersection of North Interstate and NE Oregon
The intersection of N Interstate and NE Oregon. That’s I-5 to the right, and yes, a garden in the shape of a peace sign in the lower left.

Despite the best efforts of engineers, traffic cops and conscientious road users, things still go wrong on American roads far too often, costing us over 30,000 lives a year, to say nothing of the injuries and the monetary loss.

re:form

A field guide to the designed world

re:form

A field guide to the designed world

Carl Alviani

Written by

Writer and UX strategist. Co-founder of Protagonist Studio. Obsessed with design’s hidden consequences. Living in Amsterdam, with my heart in the PacNW.

re:form

A field guide to the designed world