This should be helpful, although a few of teh locations are a little off (one of the wrecks says "just east of yellow road", when it's actually just north of the yellow road, etc) but everything's close. Ignore the shown roads on the map, when they created the game, they rearranged the roads.
http://maps.google.com/maps/ms?ie=UTF8&msa=0&msid=212344039743811741854.00049bb0c5e0ad9d7e4b3&ll=38.977026,1.395264&spn=0.320278,0.481339&z=11&source=embed
[link=http://boards.ign.com/test_drive/b6433/200474912/r200761234/%20http://maps.google.com/maps/ms?hl=en&ie=UTF8&msa=0&msid=218081809985938592241.00049bff1df6e411c0a84&ll=21.483741,-157.986145&spn=0.766721,0.95993&z=10&source=embed]
[/link] http://maps.google.com/maps/ms?hl=en&ie=UTF8&msa=0&msid=218081809985938592241.00049bff1df6e411c0a84&ll=21.483741,-157.986145&spn=0.766721,0.95993&z=10&source=embed
Edit: Well, that's a mess. Hang on.
Edit: Edit: [link=http://massiveonline.net/VirtualRaceMagazine.htm]Here, they're from this page. There's small pics of them there, and links to the actual maps below the small pics.[/link]