The GP3 series has confirmed its testing dates, ahead of the start of the 2016 season.
Teams and drivers will get nine days of running in total. The 2016 race calendar will be revealed at a later date.
The first session will last three days and take place from the 22-24 March at the Circuito Estoril in Portugal.
It will then be followed by a two-day test at the Circuit de la Comunitat Valenciana Ricardo Tormo in Spain from the 7-8 April.
Further pre-season running from the 20-21 April at the Circuit de Barcelona-Catalunya will give drivers more track time ahead of the new GP3 campaign.
Finally a fourth test session will take place at the Red Bull Ring in Austria from the 7-8 June, during the 2016 season.
