High Quality Content by WIKIPEDIA articles! Heathrow Airtrack is a proposed railway link in west London, England, UK. The line as proposed by BAA, would have run from Heathrow Terminal 5 into central London and across the suburbs of south-west London. BAA announced that it was abandoning the project in April 2011. In October 2011 Wandsworth Council announced a revised plan called Airtrack-Lite.