Projects
A few things I have worked on or am currently exploring.
Golden Gate Conditions
Currents and experimental Fort Point swell/surf tools for San Francisco Bay.
Driver Behavior
A curated reading list of local reporting about traffic violence in San Francisco.
Health Billing
Pick a procedure and Covered California plan, then compare published prices at San Francisco hospitals.
Transit
Live multi-agency map — pick an agency, toggle routes, see vehicles in near real time.
SF Bike
Closing the top 10 gaps in San Francisco’s Core All Ages and Abilities bicycle network.
SF Transit
Low-cost improvements for BART and Muni—signage, gates, boarding, fares, and rider experience.
Bus Bulb
See how much slower Muni’s padded schedules are than the fastest run—and estimate how bus bulbs could buy time back.
Sunshade Planner
Place a triangular shade sail on a San Francisco deck and compare June 21 shadows with a March–September shade heatmap.
UV Index
Live UV for your location or any city — today by the hour, the past and next week, and how it changes through the year.
Bike + Train Maps
Bay Area trip planner — bike directions plus BART, Caltrain, and SMART with bike first and last miles.
Bike Map
Filter Strava heatmap screenshots, georeference popular routes, and compare them with OSM bike ways.
Flying with a Brompton
What to buy, how to get through TSA, and how to board with a Brompton as a carry-on.
Sail Router
Isochrone sailing routes on San Francisco Bay — wind, current, and a boat polar. Click start and destination on the chart.
Transit Moneyball
A prototype ranking of American transit agencies by performance over expected.