Autódromo Internacional Nelson Piquet Autódromo Internacional Nelson Piquet The Autódromo Internacional Nelson Piquet (Nelson Piquet International Autodrome), also known as Jacarepaguá after the neighbourhood in which it was located, was a motorsport circuit in Rio de Janeiro, Brazil. Opened in 1977, it hosted the Formula One Brazilian Grand Prix on ten occasions, and was also used for CART, motorcycle racing and stock car racing. In 2012, it was demolished to make way for facilities to be used in the 2016 Summer Olympics. The original circuit was built between 1971 and 1977 on the site of the Barra da Tijuca road course, which had itself
David Walker (racing driver) David Walker (racing driver) David Walker (born 10 June 1941 in Sydney) is an Australian former racing driver who drove for Lotus in the 1971 and 1972 Formula One World Championships. Walker had some international racing experience early in his career in the Australian rounds of the Tasman series in 1964-65 on challenging tracks like Longford and Sandown at a time when most Australian National 2.5 drives were near world class and he also drove a Lotus 70 in the 1971 Australian rounds. During the 1960s Walker's racing career faltered (he was the 1969 British Formula Ford Champion and finished