Ungap the Map: envisioning better bike networks

Ever want to visualize how your city would look if streets were designed to safely/comfortably make most trips by bike? This tool lets you quickly sketch out your own vision to fill in missing gaps in the network, see how the changes would impact your commute, and share the results with others.


This project was inspired by conversations with members of Seattle Neighborhood Greenways, who had feedback about the main A/B Street traffic simulation being too open-ended. This was developed during August-October 2021 for the Taiwan presidential hackathon. This tool is part of A/B Street, which has had many contributors, but specifically for this tool: