Stretching from Bowen Hills to Toombul and west to Kedron, the six-lane tunnel is 70m-wide in sections, running 40m below the surface.
Variable speed and message signs appear every 120m, in addition to directional signage, emergency phones every 60m and computerised travel-time signs.

CCTV cameras film every part of the tunnel and heat detectors serve as an "early warning system" should anything go wrong.
BrisConnections' General Manager of Construction Dr Charles MacDonald said it was an asset "to be proud of" and an announcement on the toll cost would be made soon.
"We're going to make it attractive for people to use this facility," said Dr MacDonald.
"We believe that people will really embrace this. It will be something they'll all want to be involved with. We believe that it's a major asset that people will appreciate."
BrisConnections is forecasting traffic volumes in excess of 130,000 vehicles a day shortly after opening, well above that achieved by the Clem7, which averages 22,000 a day.
Airport Link is due to open on or before August 20.
A public walk through will be held before the official opening to vehicles.
The first thing I noticed was the horrid sign on the left. I know its a tunnel but geez...........It'll be interesting to see whether the tunnel becomes a flop like the Clem7. Hope there’s no ridiculous toll on it. And the opening date seems a bit far off from the original June 30 despite it looking to be nearly completed.From: Rob TilleySent: Friday, May 25, 2012 2:24 PMSubject: [Aussie Highways] Courier Mail: Readers given first look at Brisbane Airport Link tunnel, but builders remain quiet about the tolls
BRISBANE Airport Link officials have shown off their monster tunnels today but have refused to say what motorists will pay to use Australia's largest piece of road infrastructure.
Stretching from Bowen Hills to Toombul and west to Kedron, the six-lane tunnel is 70m-wide in sections, running 40m below the surface.
Variable speed and message signs appear every 120m, in addition to directional signage, emergency phones every 60m and computerised travel-time signs.
<892681-tunnel-1.jpg>
The Bowen Hills to Brisbane Airport section of the new Airport Link tunnel. Picture: Peter WallisSource: The Courier-Mail
CCTV cameras film every part of the tunnel and heat detectors serve as an "early warning system" should anything go wrong.
BrisConnections' General Manager of Construction Dr Charles MacDonald said it was an asset "to be proud of" and an announcement on the toll cost would be made soon.
"We're going to make it attractive for people to use this facility," said Dr MacDonald.
"We believe that people will really embrace this. It will be something they'll all want to be involved with. We believe that it's a major asset that people will appreciate."
BrisConnections is forecasting traffic volumes in excess of 130,000 vehicles a day shortly after opening, well above that achieved by the Clem7, which averages 22,000 a day.
Airport Link is due to open on or before August 20.
A public walk through will be held before the official opening to vehicles.
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BRISBANE Airport Link officials have shown off their monster tunnels today but have refused to say what motorists will pay to use Australia's largest piece of road infrastructure.
Stretching from Bowen Hills to Toombul and west to Kedron, the six-lane tunnel is 70m-wide in sections, running 40m below the surface.
Variable speed and message signs appear every 120m, in addition to directional signage, emergency phones every 60m and computerised travel-time signs.
<892681-tunnel-1.jpg>
The Bowen Hills to Brisbane Airport section of the new Airport Link tunnel. Picture: Peter WallisSource: The Courier-Mail
CCTV cameras film every part of the tunnel and heat detectors serve as an "early warning system" should anything go wrong.
BrisConnections' General Manager of Construction Dr Charles MacDonald said it was an asset "to be proud of" and an announcement on the toll cost would be made soon.
"We're going to make it attractive for people to use this facility," said Dr MacDonald.
"We believe that people will really embrace this. It will be something they'll all want to be involved with. We believe that it's a major asset that people will appreciate."
BrisConnections is forecasting traffic volumes in excess of 130,000 vehicles a day shortly after opening, well above that achieved by the Clem7, which averages 22,000 a day.
Airport Link is due to open on or before August 20.
A public walk through will be held before the official opening to vehicles.
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