Google Map Maker for the United States is now launched, that enable users to add their expert local knowledge to the map directly through this free online tool. You know your neighborhood or hometown best, and with Google Map Maker you can ensure the places you care about are richly represented on the map.
Users often have the best and most up-to-date knowledge of the places that matter to them, and with Google Map Maker now available for 187 countries and regions around the world.
To confirm Map Maker user contributions are accurate, each edit will be reviewed. After approval, the edits will appear in Google Maps within minutes--dramatically speeding up the time it takes for online maps to reflect the often-changing physical world. To see examples of what people around the world are adding to Map Maker, you can watch mapping in real-time.
In addition to opening Map Maker for the United States, Google also added some new features for users globally:
"You can now get a street-level perspective on places with Street View imagery directly in Map Maker, see and edit all points of interest, and find exactly what you're looking for with advanced search options such as displaying all railroad tracks."
If you'd like to add your local knowledge directly, you can learn more, check out getting started site, or start mapping now at mapmaker.google.com.
[Source: Google Lat Long Blog]