High Quality Content by WIKIPEDIA articles! The M7 Clem Jones Tunnel (CLEM7), known during its development as the North-South Bypass Tunnel (NSBT), is a A$3.2 billion toll road built under the Brisbane River, which crosses between the suburbs of Woolloongabba and Bowen Hills in Brisbane, Australia. The CLEM7 Community Open Day, a public open day which included a tunnel run and walk was held on 28 February 2010. The tunnel was progressively opened to traffic from late on 15 March 2010 until just after midnight on the 16. It was completely open - all lanes, both directions - by 12.02 am.