Research the system.
Build the tools.

I’m Hanyang Tang, a transportation researcher and software builder at MIT. I study how people move through cities and build software to analyze transit networks and test service changes.

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Selected work

All projects
VIGO Studio showing Boston’s Red Line

Transit networks

VIGO

VIGO 0.5.0 supports journey planning and scheduled accessibility analysis, with network inspection in Studio.

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VEXTA 0.6.2 sample writing workspace

Research workspace

VEXTA

VEXTA 0.6.2 connects writing, compiled pages, review, and presentation authoring in one local workspace.

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Close-up of a Paris Métro map generated by MapEX

Transit cartography

MapEX

Compile a GTFS feed into a schematic map, then refine its stations, lines, and labels in Studio.

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Research

DC Student TravelReconstructing school journeys from partial records. WorldformPeople, activities, and places in a metropolitan workspace.