|Horrocks Pass Road, Main North Road, Willowie Road & Petersberg Road (National Route 56) (Decommissioned)|
NR56 was a rural route linking South Australia's Spencer Gulf region with the greater Flinders Ranges region.
Multiplexes along the route include:
| Advance Directional Sign:
AD sign at Wilmington approaching Main North Road, December 2003.
Image © Michael Greenslade
Last updated: 08-Dec-2020 12:53
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