Updated list of non-European/non-Asian Grade 1 and Grade 2 circuits from the FIA list of October 24, 2017. The changes versus the July 2017 list are the adding back in of several North American tracks (Laguna Seca, Mid-Ohio, Sonoma, Toronto).
USA: COTA*, Indy*, Barber, Laguna Seca, Lime Rock, Mid-Ohio, Long Beach, Nola, Road America, Road Atlanta, Sebring, Sonoma, St. Petersburg, VIR, Watkins Glen
Canada: Montreal* (not on list but assumed), Mosport, Toronto street course
Mexico: Mexico City*
Brazil: Interlagos*
Argentina: Autódromo Termas de R*o Hondo
South Africa: Kyalami
Australia: Albert Park*, Eastern Creek, Surfers Paradise
New Zealnd: Taupo
* = Grade 1, rest Grade 2
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