For some time, I've been wanting a neighborhood map of Oakland. A while back Google Maps added tags for the neighborhoods, and Yahoo Maps even marks them with colored polygons at some zoom levels. But I'm a fan of Google Maps (not just because K works for Google), so I wanted something like that in Google Maps. That works at all zoom levels. And includes some of the lesser known and unofficially designated neighborhoods like Dogtown. Not too much to ask, right?
I found one Google Map that someone had created with data from the city, but it doesn't always load properly, and it only had the 'official' neighborhoods. The Oakland Department of Public Works has a good map showing some of the alternate names, but it's not in Google or Yahoo Maps and doesn't have boundaries.
So after poring over various maps, including the Oakland Museum's Neighborhood Search, the aforementioned DPW map, Wikipedia, and others, I created my own. Besides including various unofficial neighborhoods, it can be layered with other Google Map layers like Transit, Traffic, etc. or my map of Oakland signs. You can even view it in Google Earth, and lay it over 3D terrain, with 3D buildings, etc.
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I'll be the first to admit the map isn't perfect. Any outright errors are likely mine, not from the source maps. And neighborhoods don't usually begin and end exactly on street boundaries (except sometimes freeways that cut a swath through them), so it's bit arbitrary to begin with. But hopefully you'll find it useful and/or interesting for your explorations of Oakland.