Optical illusions on Fourth Street

While working on a piece about bike lanes, I stumbled across something odd that says a lot about how the built environment influences perceptions.

Downtown San Rafael. Image from Google Maps.

Downtown San Rafael. Image from Google Maps.

A pet peeve of mine for years has been Fourth Street through West End in San Rafael. The neighborhood has struggled for years under the shadow of downtown, hidden just over a short hill, and street width is part of the reason I rarely spend time there. It just doesn’t feel cozy like downtown. Downtown is above this paragraph, West End is below.

San Rafael's West End

San Rafael’s West End

So when I got back street width data from city hall, I made a double take. Fourth Street through West End, which runs from H to E streets, was actually narrower than the rest of Fourth all the way to its end at Union, by up to 10 feet: 40 feet vs. 50 feet.

So why does it feel so much wider? Look again at the two pictures and you’ll see some stark differences. In downtown, the trees are older, the street parking is a bit fuller, and the buildings on both sides of the street cozy right up to the sidewalk. In West End, the buildings only cozy up to the sidewalk on one side of the street, with parking lots and show leading way back to squat buildings on the other side.

Those parking lots make the street appear significantly wider than it actually is, creating an optical illusion. I can’t think of a better example of how walkable development influences our sense of place better than this.

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About David Edmondson
A native Marinite working in Washington, DC, I am fascinated by how one might apply smart-growth and urbanist thinking to the low-density towns of my home.

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