Two maps of Valencia Street in San Francisco, showing a large increase in median household income from 2000-2018, and a sizable decrease in Hispanic population.

Bike infrastructure and displacement

Map of San Francisco showing Golden Gate Park and a selected census tract (67000) in the Outer Sunset

Error bar

The Douchebag Problem

Top down

Chart showing fatal crashes in Vision Zero cities from 2011-2018, gradually rising about 20%.

Revisiting a bad idea

Collective concern

Nerdiness and privilege

Oakland Rideout 2019

Scraper Bikeway mural day

Cycling and community

1 2 3 4