Projects
I build software when the research needs a better instrument. I do research when a public system needs a clearer account of what is happening.
Products
Software for transit networks, research, mapping, and personal tools.
VIGO
A resident Rust routing kernel and local workbench for transit networks.
VEXTA
One project structure for source, computation, review, and publication.
MapEX Studio
A compiler-backed workspace for schematic transit maps from GTFS.
TheFlyerApp
A durable record of flights, aircraft, routes, and reviews.
Research
Work on student mobility, urban systems, aviation, and cross-border travel.
DC Student Travel
Synthetic demand and observed bus activity across 237 schools.
Complex Urban Systems
Urban inference built around partial evidence and explicit uncertainty.
China Aviation Industry
How China is assembling a commercial aircraft industry.
Cross-Border Commuting
How borders change travel cost, access, and metropolitan integration.