Today the Microsoft announced a new addition to Bing Maps: updated road traffic snapshots from 35.000 cameras in 11 countries, including USA and Spain.
Although the Bing Maps include Greece or Greece traffic movement service via cameras is not available for our country.
For countries supported by road traffic updates, however, all you have to do if you want to see what's happening on the streets is to click the Traffic button on the top banner on Bing Maps.
You can control collectively pictures from multiple cameras for a specific city or look at a slightly larger photo from a single camera.
Her blog Bing has an article with more details about this service.