Artdink, developer and publisher of novel PlayStation games like Aquanaut's Holiday and Carnage Heart, has announced a "traffic sim."
Continuing to stress constructive gameplay themes, Artdink has announced a "traffic sim" called Navit, developed by Masterpiece Co. Ltd. In Navit, you must improve a city's traffic flow by building and fixing bridges, roads, and tunnels, placing traffic lights, and so forth.
Navit is due in Japan this September.