Google are announcing new coverage of live traffic in Austria, Belgium, Czech Republic, Denmark, Germany, Ireland, Israel, Luxembourg, Netherlands, Poland, Slovakia, Spain and Switzerland. Coverage includes all freeways and highways, as well as large roads in major cities. Users in the UK will also benefit from a finer grain of street level coverage. The new road traffic information is in the traffic layer on Google Maps and Google Maps for mobile, and Google Maps Navigation (Beta).
Source: Google Lat Long Blog: Live traffic information for 13 European countries