Statistics:
- Length:
- 1729 km (Crystal Brook to Port Augusta: 108 km)
- Eastern: SA-VIC border, Glenburnie
- Western: SA-WA border, Border Village
- Miscellaneous:
- Continues as Princes Hwy (A1) in Victoria and continues as Eyre Hwy (NH1) in Western Australia
- Suburbs, Towns & Localities Along Route:
- Warnertown, Bungama, Risdon Park South, Germein Bay, Port Germein, Baroota, Mambray Creek, Miranda, Nectar Brook, Winninowie and Stirling North
Route Numbering:
- Current: A1
- Former: A1 1 1
- Road Authority Internal Classification: 1
- 03500 (Gepps Cross to Port Augusta)
General Information:
Highway 1 runs right around Australia, however with the introduction of alphanumeric routes, highway 1 takes on all different identifications depending on its importance and road design.
Port Wakefield Road, Port Wakefield Highway & Augusta Highway (A1):
Port Wakefield Road branches off of Main North Road at Gepps Cross in the northern suburbs of Adelaide. The highway is dual-carriageway until Port Wakefield and connects Adelaide to Port Augusta. Towns and cities along the route include Adelaide, Two Wells, Port Wakefield, Snowtown, Crystal Brook, Port Pirie, Port Germein, Stirling North and Port Augusta. The route name changes from Port Wakefield Rd to Port Wakefield Hwy at the Northern Expwy (M2) interchange at Waterloo Corner.
Advance Directional Sign:
AD signs approaching Warnertown-Hughs Gap Road at Warnertown on Augusta Highway. June 2007.
Image © Darrin Smith
Warnertown-Hughs Gap Road Junction:
Intersection with Warnertown-Hughs Gap Road at Warnertown on Augusta Highway. June 2007.
Image © Darrin Smith
Black Intersection Directional Signs:
Black ID signs facing Warnertown-Hughs Gap Road at Warnertown on Augusta Highway. December 2007.
Image © Paul Rands
Distance Sign:
RD sign as you head into Warnertown after the B79 / Warnertown-Hughs Gap Rd intersection. November 2016. Click or tap here for a photo of this location by Paul Rands from December 2007.
Image © Paul Rands
Entering Warnertown:
Northbound as you enter the town of Warnertown. December 2007.
Image © Paul Rands
Scenic Drive:
A1 at the Scenic Dr intersection at Warnertown, November 2016.
Image © Paul Rands
Advance Directional Sign:
Large AD sign showing the highway as it passes the bypassed town of Port Pirie, Warnertown, December 2007.
Image © Paul Rands
Tourism Sign:
Northbound sign detailing tourist attractions and services available in Port Pirie, Warnertown, December 2007.
Image © Paul Rands
Services Sign:
Northbound sign at Warnertown indicating the services available at Port Pirie. Bungama, December 2007.
Image © Paul Rands
Bypassed Town Sign:
Bypassed town sign at Bungama approaching Warnertown Rd, November 2016.
Image © Paul Rands
Advance Directional Sign:
Northbound approaching Warnertown Road, Bungama, December 2007.
Image © Paul Rands
Warnertown Road Intersection:
A1 at the intersection with Warnertown Road at Bungama, December 2007. Click or tap here for a photo of this location by Michael Greenslade, from December 2003.
Image © Paul Rands
Advance Directional Sign:
AD sign on Warnertown Rd at Bungamba approaching Augusta Hwy (A1), December 2003.
Image © Michael Greenslade
Distance Sign:
Northbound RD sign after Warnertown Road in Bungama, November 2016. Click or tap here for a photo of this location by Darrin Smith from June 2007.
Image © Paul Rands
Advance Directional Sign:
AD sign at Germein Bay approaching Causeway Rd, November 2016.
Image © Paul Rands
Causeway Road:
A1 at Causeway Rd, Germein Bay, November 2016.
Image © Paul Rands
Port Germein Services Sign:
Sign indicating the services available in Port Germein, northbound, November 2016.
Image © Paul Rands
Tourism Sign:
Northbound tourism sign at Port Germein, December 2007.
Image © Paul Rands
Advance Directional Sign:
AD sign located on Augusta Hwy as you approach the intersection with Port Germein Road at Port Germein. June 2007.
Image © Darrin Smith
Port Germein Road:
A1 at the southern junction with Port Germein Rd, Port Germein, November 2016.
Image © Paul Rands
Port Germein Road:
A1 at the southern junction with Port Germein Rd, Port Germein, November 2016.
Image © Paul Rands
Advance Directional Sign:
Northbound AD sign approaching Germein Gorge Road at Port Germein, December 2007.
Image © Paul Rands
Germein Gorge Road:
A1 at Germein Gorge Rd, Port Germein, November 2016.
Image © Paul Rands
Distance Sign:
Northbound RD sigh after the Port Germein-Murray Town Road intersection, Port Germein. December 2007.
Image © Paul Rands
Advance Directional Sign:
AD sign at Mambray Creek approaching Spencer Rd and Park Rd, November 2016.
Image © Paul Rands
Advance Directional Sign:
AD sign approaching Horrocks Hwy (formerly Main North Road), B56, at Winninowie. November 2016. Click or tap here for a photo of this location by Darrin Smith from June 2007.
Image © Paul Rands
Horrocks Highway Intersection:
Northbound at the B56 / Horrocks Hwy (formerly Main North Road) intersection at Winninowie. November 2016. Click or tap here for a photo of this location by Darrin Smith from June 2007.
Image © Paul Rands
Distance Sign:
Northbound RD sign at Winninowie, November 2016. Click or tap here for a photo of this location by Michael Greenslade from December 2003.
Image © Paul Rands
Services Sign:
Sign indicating services available in Port Augusta, northbound at Winninowie, December 2007.
Image © Paul Rands
Wide Vehicles Sign:
Northbound sign at Stirling North indicating that large vehicles must travel via Yorkey Crossing, December 2007.
Image © Paul Rands
Approaching heavy Vehicle Inspection Station:
Northbound approaching the heavy vehicle inspection station at Stirling North. December 2007.
Image © Paul Rands
Tourism Sign:
Northbound at Stirling North is this sign detailing what tourist attractions are on offer in the Port Augusta area, December 2007.
Image © Paul Rands
Advance Directional Sign:
AD sign approaching the intersection with Rangeview Road (B83) at Stirling North, June 2007. Click or tap here for a photo of this location by Michael Greenslade, from December 2003.
Image © Darrin Smith
Rangeview Road intersection:
Northbound at Stirling North at the B83 junction, June 2007. Click or tap here for a photo of this location by Michael Greenslade, from December 2003.
Image © Darrin Smith
Distance Sign:
Northbound RD sign after Rangeview Road in Stirling North, December 2007.
Image © Paul Rands
ID Sign:
Intersection directional sign on the junction with Rangeview Road (B83) at Stirling North, September 2009. Click or tap here for a photo of this location by Kate Pilling from September 2008.
Image © Paul Rands
Rangeview Road Intersection:
Corner of Augusta Highway and Rangeview Road at Stirling North. September 2009.
Image © Paul Rands
RD Sign:
Distance sign leaving Stirling North. September 2009. Click or tap here for a photo of this location by Kate Pilling from September 2008.
Image © Paul Rands
No Overtaking Unless Both Lanes Clear:
Sign indicating rules for overtaking along this section of Augusta Hwy at Stirling North. September 2009.
Image © Paul Rands
Black AD Sign:
Black advance directional sign at Winninowie approaching Horrocks Pass Road (formerly Main North Road) (B56). December 2003.
Welcome to The Southern Flinders Ranges:
Tourism sign at Winninowie welcoming visitors to the region. September 2009.
Image © Paul Rands
Distance Sign:
RD sign after the Main North Road (B56) intersection at Winninowie. September 2009.
Image © Paul Rands
National Park Road & Spencer Road Intersection:
Corner of National Park Road and Spencer Road at Mambray Creek. September 2009.
Image © Paul Rands
Services Sign:
Services sign as you enter the Port Germein area. September 2009.
Image © Paul Rands
Tourist Attraction Sign:
Sign indicating sites of interest for tourists, near Port Germein. September 2009.
Image © Paul Rands
Supplemental AD Sign:
Supplemental advance directional sign at Port Germein, approaching the junction with Port Germein Gorge Road (TD23). September 2009.
Image © Paul Rands
Advance Directional Sign:
AD sign on Augusta Hwy, Port Germein, approaching Port Germein Gorge Rd (TD23). September 2009.
Image © Paul Rands
Port Germein Gorge Road Intersection:
Corner of Port Germein Gorge Rd (TD23) and Augusta Hwy (A1) at Port Germein. September 2009.
Image © Paul Rands
AD Sign:
Advance directional sign on Augusta Hwy approaching the junction with Old Port Augusta Access Road at Port Germein. September 2009.
Image © Paul Rands
Old Port Augusta Access Road Junction:
Corner of Augusta Hwy & Old Port Augusta Access Rd at Port Germein. September 2009.
Image © Paul Rands
Distance Sign:
Reassurance directional sign as you leave Port Germein. September 2009.
Image © Paul Rands
Advance Directional Sign:
AD sign at Nelshaby approaching Flinders View Drive (TD22). September 2009.
Image © Paul Rands
Flinders View Drive Intersection:
Corner of Port Wakefield Dr (A1) and Flinders View Rd (TD22) at Nelshaby. September 2009.
Image © Paul Rands
Services Sign:
Services sign for Port Pirie at Risdon Park South. September 2009.
Image © Paul Rands
AD Sign:
Advance directional sign on Augusta Highway approaching the junction with Port Germein Road (B89) and Nelshaby Road at Port Pirie. September 2009.
Image © Paul Rands
Tourist Attraction Sign:
Sign indicating sites of interest for tourists, Risdon Park South, near Port Pirie. September 2009.
Image © Paul Rands
Advance Directional Sign:
AD sign on Augusta Highway (A1) at Risdon Park South, approaching Nelshaby Road and Port Germein Road (B89). September 2009.
Image © Paul Rands
Nelshaby Road & Port Germein Road Junction:
Augusta Highway (A1) at Risdon Park South, at the intersection with Nelshaby Road and Port Germein Road (B89). September 2009.
Image © Paul Rands
Distance Sign:
RD sign leaving Risdon Park South, near Port Pirie. September 2009. Click or tap here for a photo of this location by Michael Greenslade from December 2003.
Image © Paul Rands
Scenic Drive Intersection:
Corner of Augusta Hwy & Scenic Dr in Warnertown. September 2009.
Image © Paul Rands
Entering Warnertown:
Augusta Highway as it enters Warnertown. September 2009.
Image © Paul Rands
Abattoirs Road & Quarry Road Intersection:
Augusta Hwy at Warnertown, where it meets Abattoirs Rd & Quarry Rd. September 2009.
Image © Paul Rands
Advance Directional Sign:
AD sign at Warnertown approaching Warnertown-Hughs Gap Road (B79). September 2018. Click or tap here for a photo of this location by Paul Rands from September 2009.
Image © Dean Sherry
Warnertown-Hughs Gap Road Junction:
Intersection with Warnertown-Hughs Gap Road (B79) at Warnertown on Augusta Highway (A1), September 2018.
Image © Dean Sherry
Distance Sign:
RD sign at Warnertown, after the Warnertown-Hughs Gap Road junction. September 2018. Click or tap here for a photo of this location by Paul Rands from September 2009.
Image © Dean Sherry
1 SA Government, Location SA Map Viewer.