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SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
In either case; I would probably be feeding the minutely updates into PostGIS and using pg_featureserv to export the results to the client.
If you decide to go the web based route; openlayers is a pretty solid library for doing maps on the web and has support for building custom controls like the route toggle you describe.
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