Gran Turismo Sport is set to release later this month, and Sony just dumped a bunch of info about the October 17 release over at the PlayStation Blog. In total there are 40 total Gran Turismo Sport track layouts across 17 courses. Some of the major inclusions include Colorado Springs, Nürburgring, Tokyo Expressway, and the Willow Springs International Raceway.
Check out the complete list of Gran Turismo Sport tracks below:

Alsace ? Village
Alsace ? Village II
Autodrome Lago Maggiore ? GP
Autodrome Lago Maggiore ? GP II
Autódromo De Interlagos
Blue Moon Bay Speedway
Blue Moon Bay Speedway II
Brands Hatch Grand Prix Circuit
Brands Hatch Indy Circuit
Broad Bean Raceway
Broad Bean Raceway II
Colorado Springs ? Lake
Colorado Springs ? Lake II
Dragon Trail ? Seaside Dragon Trail ? Seaside II
Fishermans Ranch
Fishermans Ranch II
Kyoto Driving Park ? Miyabi
Kyoto Driving Park ? Yamagiwa
Kyoto Driving Park ? Yamagiwa II
Mount Panorama Motor Racing Circuit
Northern Isle Speedway
Northern Isle Speedway ? Infield
Nürburgring 24h
Nürburgring GP
Nürburgring Nordschleife
Nürburgring Nordschleife Tourist Layout
Sardegna ? Windmills
Sardegna ? Windmills II
Suzuka Circuit
Suzuka Circuit East Course
Tokyo Expressway ? Central Inner Loop
Tokyo Expressway ? Central Outer Loop
Tokyo Expressway ? East Inner Loop
Tokyo Expressway ? East Outer Loop
Willow Springs International Raceway: Big Willow
Willow Springs International Raceway: Horse Thief Mile
Willow Springs International Racew...