A. Festag G. Noecker M. Strassberger A. Luebke B. Bochow M. Torrent-Moreno R. Eigner C. Catrinescu J. Kunisch Proc. of the 5th International Workshop on Intelligent Transportation (WIT 2008) Hamburg, Germany 2008 03 Network on Wheels (NoW) is a German research project carried out by major car manufacturers, suppliers, research institutes and universities, and supported by the German government. The project develops a vehicular communication system for car-to-car and car-to-infrastructure communication based on ad hoc principles and wireless LAN technology for road safety and infotainment applications. The paper (i) gives a project overview and recalls its motivation, (ii) outlines the developed system and technology, and (iii) summarizes the project achievements.