The Heysen Tunnels are located on the South Eastern Freeway between Adelaide and Crafers.

Reporting a breakdown in the tunnels

If your vehicle breaks down in the tunnels alert the Traffic Management Centre by:

  • using a roadside emergency phone within the tunnels, or
  • telephoning 1800 018 313.

The operator will advise what action to take.

Reporting an incident in the tunnels

If you witness or are involved in a traffic incident in the tunnels you need to report it to SA Police.

About the Heysen Tunnels

There are two Heysen Tunnels running side-by-side. One is city-bound and the other is hills-bound.

Each tunnel:

  • is 500 metres long
  • is 10.5 metres wide
  • has three lanes, each 3.5 metres wide
  • has a 90 km/hour speed limit, and takes about 20 seconds to drive through
  • has incident detection cameras that detect stopped or slow moving vehicles - these alert the Traffic Management Centre to any problems
  • has roadside emergency telephones every 50 metres along the tunnel wall.

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Page last updated 21 April 2017

Provided by:
Department for Infrastructure and Transport
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