SAKHIR, Bahrain, Feb 28 (Reuters) - Bahrain's Sakhir circuit has filled troublesome drains with concrete and carried ... tracks you know where the drain covers are." The separate incidents revived ...

PlanetF1.com understands the FIA is evaluating a process that may involve some drain covers being filled with concrete in order to retain or gain the Grade 1 rating circuits must have in order to ...

LAS VEGAS (KTNV) — Thursday, the first practice session for the Formula 1 Las Vegas Grand Prix was canceled because of a concrete frame that "failed" for a drain cover. About nine minutes into ...

Loose drain covers saw testing halted twice in two days in Bahrain last week. Getty Bahrain's Sakhir circuit has filled troublesome drains with concrete and carried out additional welding work ...