Getting the road network from a map?

[samcarrettie]

You might want to take a look at Benjamin Goodman post: Routing OSM Data: How Far Can I Walk in 5 Minutes?

Routing OSM Data: How Far Can I Walk in 5 Minutes?

Offering quick and intuitive information at a glance, maps like these can be really useful when visiting a city since its usually easier to appreciate a 5 minute walk rather than a distance of 350 m or so. These maps have recently appeared in Aberdeen’s city centre and seeing one in a familiar setting made me wonder what the map would look like if the 5 minute walk radius was based not on displacement but on distance actually walked along all possible paths. [cityMapAberdeen.jpg] Obtaining D…