Since 2014, Cambridge residents have submitted … ideas for improving the city through Participatory Budgeting. Search them here to see what has been proposed, where, when — and what happened next.

Ideas over time

Each bar is one PB cycle — click a bar to filter to that cycle.

Ideas on the map

All ideas

How to read the explorer

Themes and outcomes

Themes

Committee names changed across PB cycles, so related committees are grouped into consistent themes for comparison over time.

Outcomes, in process order

Outcomes follow an idea from initial eligibility review through the ballot. When outcomes happen at a similar stage, the more positive result appears later.

    Important: These categories use the best available status fields and staff notes. Older cycles have gaps, so some outcomes are inferred and may contain errors.