If anyone is interested, here is a folder with the .obj + converted original files from the playstation version.
it contents:
tkr001: redrock ridge
tkr002: empire city
tkr003: atlantica
tkr003b: aquatica
tkr004: rocky pass
NFS III HP Tracks
Thanks @Himura88 for the driving on this video!
Track and others infos on video description:
Instructions to use the Camtool
How to use this file:
If you don't have it, install Camtool app: https://www.racedepartment.com/downloads/camtool-2.15062/
Extract the my rar file here...