Location: Metro Adelaide

The great thing about the St Peters Twins tunnel is at the end of one you can turn around and go back down the other…

One of the nice surprises of the St Peters Twins Square Entrance is an offshoot. This offshoot branch leads to a very old stormwater collection trench that has since been enclosed. It runs parallel to one of Adelaide’s major arterial roads for approximately 500m. The floors and walls are lined with old slate rocks and services literally breach the side walls. It’s a dead-end of course but fun none the less…

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