NEWS.com.au | M4 closed and two people taken to hospital after seven vehicle pileup NEWS.com.au THERE'S peak-hour traffic madness in Sydney after a massive pileup involving seven vehicles forced authorities to close the M4. Ben Graham. news.com.auMay 30, 20188:25am. Sydney's M4 has been closed following a crash. Picture: Channel ... All M4 lanes reopened after multi-vehicle smash Two hospitalised after horror crash shuts the M4 motorway Two people freed after 7-car Sydney smash |