Projects
Projects in transportation research, transit software, and technical writing.
Products
Software for transit networks, research, mapping, and personal tools.
VIGO
Inspect service, plan journeys through multiple stops, and compare scheduled access with one city model.
VEXTA
Write, compile, review, and present technical documents in a local workspace.
MapEX
Turn GTFS into editable transit maps with traceable sources and vector exports.
TheFlyerApp
Keep flight records and notes, explore routes and statistics, and export itineraries from your browser.
Research
Work on student mobility, urban systems, aviation, and cross-border travel.
DC Student Travel
Reconstruct home–school geography, measure bus activity, and test scheduled access.
Worldform
Build synthetic populations and activity diaries, run household cohorts, and revisit saved urban simulations.
China Aviation Industry
How China is assembling a commercial aircraft industry.
Cross-Border Commuting
What a new airport crossing changes across border flows, delay, and airline activity.