The grades issued by the FIA range from 1 to 6 depending on the suitability of the circuit for different types and groups of cars, with 1 being the highest grade and the only circuit that can host Formula One races.

Grade 1 circuits are for cars that have a weight/power ratio of less than 1 kg/hp (Grade D & E cars). The specification of the tracks is very specific with total length, length of straights, and width all defined, among other criteria. Safety features are of the highest standard, for the protection of the drivers and spectators, as well as a fully equipped medical centre and qualified staff.

As of 2022, there are 38 Grade One circuits with a total of 46 possible layouts.

Autosport has a great article that delves into the detail. Read it on – here

Andrew Burden

The author Kiwi F1 Fan