Getting the road network from a map?

[markmwilhelm (Mark Wilhelm)]

I’m wondering if there’s any easy way to get the roads/street within a polygon. I’ve seen a few examples using the morphological image processing function, but I’m wondering if there is a way to get the actual road data that is in OpenStreetMap or whatever the tile server is. It seems like this may be available somewhere because it would be used by the TravelDistance function, for example - thanks

[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…

[markmwilhelm (Mark Wilhelm)]

I was hoping for something a bit more off-the-shelf, but this will do the job - thanks