Heysen Tunnels
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.
The portal of one of the Heysen tunnels | |
| 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) |
| 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) |
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.