Bahrain International Circuit that sand would blow onto the circuit and disrupt the race. However, organizers were able to keep the sand off the track by spraying an adhesive on the sand around the track. The surface of the track is made of graywacke aggregate, shipped to Bahrain from Bayston Hill quarry in Shropshire, England. The surface material is highly acclaimed by circuit bosses and Formula 1 drivers for the high level of grip it offers. The same aggregate material is used at the Yas Marina Circuit for the Abu Dhabi Grand Prix. The DRS zone is on the pit straight at the
Bira Circuit Bira Circuit Bira Circuit is a motor racing track in Thailand, named after Thai formula 1 racing driver, Prince Birabongse Bhanutej Bhanubandh. The circuit has been operated by Bira Circuit One Company, Limited. The track, initially opened in 1985, covers an area of . It is a permanent motor and motorbike racing circuit with an offroad track, a rally stage and a go-kart facility. It is located in 111 Moo 5 Banglamung, Chonburi, Northeast of Pattaya. The circuit located on State Highway 36 which is from Bangkok and from the CBD of Pattaya. The circuit is twisty and bumpy and