Guys chill lol, sorry that I confused you with my original post, I never implied the map was 1:1 because that would be foolish; I just wanted to address
@VXR original response where he said that, since the Tokyo Station was shown in Forza Horizon, did PD forget to include the station in GT7? And I just pointed out (and I failed to communicate my message properly because I was a bit sleepy when I was writing the post lol) that if we were to compare both games to real life, the one in Gran Turismo was more on par with real life, that's it.
Since I'm here, Forza's French's account uploaded this: