https://openstreetmap.org/copyright | https://openstreetmap.org |
Copyright OpenStreetMap and contributors, under an open license |
https://openstreetmap.org/copyright | https://openstreetmap.org |
Copyright OpenStreetMap and contributors, under an open license |
Need to check if these sources can be used for updating OSM.
This just showed up a few days on the Alameda county GIS data, which should be more accurate than the drawings. (although the drawings do have the buildings, which is nice) Check it out here: http://www.acgov.org/government/geospatial.htm
According to the files, there is no restriction on use of this data.
I've had my eye on completing this for a while, but it looks like you beat me to it.
Added roads