Display thousands of lines in Leaflet

Learn how to handle thousands of lines with Leaflet JavaScript library using the leaflet-maptilersdk plugin. No matter how many vertices your lines have, the performance of your application will not be affected.

This Leaflet example shows how to add a line layer with an outline glow blur symbol to the map using the polyline layer helper. Download the NY Subway lines sample data.

Replace YOUR_MAPTILER_API_KEY_HERE with your actual MapTiler API key.

Learn more

Check out the Polyline Layer Helper documentation and look at the Polyline Helper examples to see the visualization possibilities.

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