The tunnel is part of the CityLink Tollway operated by Transurban and provides a bypass of the central business district.

[2] In May 2007 a dramatic incident involving a truck and a sedan was caught by an A Current Affair film crew investigating the safety of the tunnel in light of previous events.

Authorities are currently investigating if the crew, who were driving vehicles in the tunnel, may have contributed in instigating the crash.

The western portal is shared with the longer Burnley Tunnel that carries traffic in the other direction.

During maintenance, a 40 km/h speed limit applies and normal radio broadcast is regularly interrupted by announcements.