Czas dojazdu do szpitali w Irlandii pod OSM

[pbabik]

pgRouting to potrafi.
http://underdark.wordpress.com/2011/02/09/creating-catchment-areas-with-pgrouting-and-qgis/
http://underdark.wordpress.com/2011/05/13/catchment-areas-with-pgrouting-driving_distance/