Heysen Tunnels
From Wikipedia, the free encyclopedia
The Heysen Tunnels are twin tube road tunnels which carry the South Eastern Freeway under Eagle On The Hill in the Mount Lofty Ranges in South Australia.
Quick Facts Overview, Location ...
Overview | |
---|---|
Location | Adelaide Hills south east of Adelaide |
Route | South Eastern Freeway (2017-present) South Eastern Freeway (2000–2017) |
Operation | |
Constructed | 1998 |
Opened | 5 March 2000 |
Traffic | automotive, including commuters and heavy freight |
Toll | N/A |
Vehicles per day | 45,700 (2015)[1] |
Technical | |
Length | 500 metres (1,600 ft) |
No. of lanes | 3 in each tunnel |
Operating speed | 90 kilometres per hour (56 mph) |
Tunnel clearance | 5.3 metres (17 ft)[2] |
Close