#450: routing, traffic, grid, waldseemüller, coins
, last check: Wed, 23 Sep 2026. Post history
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routing
Alternatives for routing with Leaflet
https://mappinggis.com/2024/05/calculo-de-rutas-en-un-mapa-web-de-leaflet/ -
traffic
24 hours animation of the USA highways traffic
https://seo-pr.com/about/ -
grid
US electric system operating data
https://www.eia.gov/beta/realtime_grid/#/status?end=20161002T00 -
waldseemüller
Martin Waldseemüller 1516 Carta Marina celebrates its 5th century
https://blog.geogarage.com/2016/10/celebrating-500th-anniversary-of-martin.html -
coins
"Lost change" an interactive to explore old coins
https://baily.net
Raf