hallo
i hope you understand my not good english.
for grand prix 4 give 50 tracks. the original 17 tracks from melburne to suzuka.and 30 new tracks from taruma,istambul,uqbar,adelaide .........,give it a good cc-line programmer he programm a computer car line you can drive to the backward side of a track.i hope you understand this.turn your car wenn you drive on a track 180` and drive this way and you have a feeling you have a new track and you must not programm new track.
give it programmer he programming the computercars drive in
this way then we have 50 new tracks for grand prix 4.