9news.com.au | Sydneysiders could face 'car-mageddon' amid train line shutdown 9news.com.au Commuters in Sydney's north are being asked to prevent "car-mageddon" as they adjust to a suburban line's seven-month closure. Buses began replacing trains yesterday between Chatswood and Epping as the underground rail line is prepared for the new ... Sydney train shutdown starts with a glitch |