Ready for yet another dose of news related to Google Maps? The service's live traffic update functionality has been expanded yet again, and now seven more cities including the likes of Mexico City and Greater Johannesburg, South Africa can join in on the action. Better yet, 19 other major areas that already get traffic information are receiving "expanded coverage" for their roads. Naturally, all of the new goods are accessible through Google's various Maps apps by simply enabling the traffic layer. If you're eager to start scouting the traffic flow, you can hit up source link below to find out whether your locale is on the list.