Maybe not super relevant but somebody did rip the track data from Test Drive III, which I thought was awesome: https://simulationcorner.net/td3/td3.html
He did a bunch of other awesome stuff on there too for the technical nerds, reverse engineered Starflight, and the Comanche Voxel engine.....etc
https://simulationcorner.net/
And on the topic of the thread, I loved Hard Drivin' on the Lynx back in the day. The game isn't super fun or anything but I was fascinated with being able to explore a fully 3d landscape on a handheld at the time. Plus you can drive into a cow