CHICAGO, Jan. 6 -- NAVTEQ, a leading global provider of digital map data for location-based solutions and vehicle navigation, has completed its previously announced acquisition of T-Systems Traffic, GmbH (T-Traffic), a leading provider of traffic services in Germany. The acquisition marks a significant step in NAVTEQ's program to expand its traffic offering in Europe. T-Traffic is a provider of traffic services in Germany, with approximately 55 employees. The acquisition will enable the launch of NAVTEQ Tr......