TransitLens

Browser-based GTFS viewer for routes, stops & schedules

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Browser-based GTFS viewer for routes, stops & schedules

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Engineering & Development

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Data visualization tools

TransitLens is a browser-based GTFS viewer — no installation, no account required. Drop in a GTFS ZIP or paste a feed URL and instantly see all routes and stops on an interactive map, filter by route, agency, or transport type, click stops to inspect metadata, and explore schedules and service calendars. Supports GeoJSON and KML overlays for spatial and coverage analysis. Built for transit developers, GTFS engineers, planners, and agencies.

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Launch tags:Transportation•Maps•Data Visualization

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Hey Product Hunt! I built TransitLens because working with GTFS feeds meant either writing custom scripts or setting up GIS software just to answer basic questions like "what routes does this feed cover?" or "where are the stops?". TransitLens removes that friction. Drop in a GTFS ZIP or paste a feed URL - routes and stops appear on an interactive map instantly. No installation, no account, no setup. You can filter by route, agency, or transport type, click stops to inspect metadata, explore service calendars, and import GeoJSON or KML polygons for spatial analysis. Built for transit developers, GTFS engineers, planners, and anyone who needs a fast way to understand what's in a feed before doing deeper work. Happy to answer any questions!

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1mo ago

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p/transitlens

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1mo ago

How are you inspecting GTFS feeds?

GTFS feeds are the backbone of public transit data - but actually seeing what's inside one has always been far harder than it should be.

The old workflow usually went something like: unzip the feed, write a script to parse routes.txt and stops.txt, spin up QGIS or another GIS tool, load the shapes, and spend 20 minutes configuring things - just to answer a basic question like "do these two routes actually overlap here?" That's a lot of friction for what should be a 10-second sanity check.

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