Traditionally, TORCS tracks had been divided in 3 categories: road, dirt and oval; the Grand Prix Circuits category was newly introduced in Speed Dreams to gather the available race tracks.

Release 2.0 of Speed Dreams offers 44 official tracks spread among 4 categories:
Traditionally, TORCS tracks had been divided in 3 categories: road, dirt and oval; the Grand Prix Circuits category was newly introduced in Speed Dreams to gather the available race tracks. 
Release 2.0 of Speed Dreams offers 44 official tracks spread among 4 categories:
Speed Dreams