Freshly laid asphalt often undergoes quite a radical change in its first year, particularly after going through a harsh winter season. However, track samples indicate that there has not been a major change in the characteristics of the Sochi asphalt from 2014 to 2015, with the surface remaining smooth and non-abrasive. With the circuit not being used extensively outside Formula One, a high degree of track evolution is expected, with a 'green' and slippery surface on Friday in particular. The most critical corner at Sochi is Turn 3 a long multi-apex left-hander that was inspired by the famous Turn 8 at Istanbul Park (which was also designed by Hermann Tilke). This stresses the front-right...
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