WestConnex is a major infrastructure project in Sydney, Australia, designed to improve road connectivity and reduce traffic congestion. It consists of a series of motorways that link the M4 and M5 corridors, providing faster travel times for commuters and freight vehicles. The project aims to enhance access to key areas, including the Sydney CBD and Sydney Airport. By creating a more efficient transport network, WestConnex is expected to support economic growth and improve air quality by reducing vehicle emissions in the region.