[markerz]

Interesting twist on what other people have done, namely show a heat-map of where you can go using public transit + walking within 5 min, 15 min, 30 min.

time2reach https://map.henryn.ca/San%20Francisco

NYC Subwaysheds https://news.ycombinator.com/item?id=36240264

[vincnetas]

It's called Isochrone map

https://en.wikipedia.org/wiki/Isochrone_map

[vvolhejn]

Yes! This is a less practical but more funky version of isochrone maps.