Statistics:
- Length:
- 1729 km (Adelaide to Two Wells: 36 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:
- Thorngate, Menindie, Menindie Gardens, Nailsworth, Prospect East, Sefton Park, Blair Athol, Enfield, Gepps Cross, Cavan, Green Fields, Bolivat, Paralowie, Waterloo Corner, Virginia and Two Wells
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.
History:
- Port Wakefield Road, Port Wakefield Highway and Augusta Highway:
- 1960s: Two Wells and Virginia bypassed.
Advance Directional Sign:
Main North Road approaching Nottage Terrace in Menindee Gardens. December 2007.
Image © Paul Rands
Advance Directional Sign:
Advance directional sign as you approach the intersection with Main North Road (A20), Port Wakefield Road (A1) and Grand Junction Road (A16), December 2007.
Image © Paul Rands
Reassurance Directional Sign:
Distance sign at Waterloo Corner, October 2012.
Image © Michael Greenslade
Intersection Directional Sign:
ID sign facing McEvoy Rd at Waterloo Corner, October 2012.
Image © Michael Greenslade
Reassurance Directional Sign:
Distance sign at Paralowie, December 2010.
Image © Michael Greenslade
Advance Directional Sign:
AD sign Waterloo Corner approaching Waterloo Corner Rd, December 2010.
Image © Michael Greenslade
NEW Advance Directional Sign:
AD sign on Port Wakefield Hwy (A1) approaching Brooks Rd, Two Wells, January 2016.
Image © Michael Greenslade
NEW Advance Directional Sign:
AD sign on Port Wakefield Hwy (A1) approaching Mallala Rd, Two Wells, January 2016.
Image © Michael Greenslade
NEW Reassurance Directional Sign:
Distance sign after Mallala Rd, Two Wells, January 2016.
Image © Michael Greenslade
Approaching Hart Road:
Looking southeast at Two Wells approaching Hart Rd. September 2009.
Image © Paul Rands
Approaching Porter Road:
Looking southeast at Two Wells approaching Porter Rd. September 2009.
Image © Paul Rands
Approaching Middle Beach Road:
Looking southeast at Two Wells approaching Middle Beach Rd. September 2009.
Image © Paul Rands
Advance Directional Sign:
AD sign at Two Wells approaching Mallala Road. September 2009.
Image © Paul Rands
Mallala Road Intersection:
Corner of Port Wakefield Rd (A1) and Mallala Rd in Two Wells. September 2009.
Image © Paul Rands
Distance Sign:
RD sign after the Mallala Road intersection in Two Wells. September 2009.
Image © Paul Rands
Approaching Bailey Road West:
Near the intersection with Bailey Road West in Two Wells. September 2009.
Image © Paul Rands
Port Gawler Road Intersection:
Corner of Port Wakefield Hwy (A1) and Port Gawler Road at Port Gawler. September 2009.
Image © Paul Rands
Advance Directional Sign:
AD sign at Virginia approaching Angle Vale Road. September 2009.
Image © Paul Rands
Angle Vale Road junction:
Corner of Port Wakefield Hwy (A1) and Angle Vale Rd in Virginia. September 2009.
Image © Paul Rands
Approaching Park Road:
Welcome to Adelaide sign and also Port Wakefield Highway as it approaches Park Road in Virginia. September 2009.
Image © Paul Rands
Approaching McEvoy Road:
Port Wakefield Hwy (A1) approaching McEvoy Rd in Virginia. September 2009.
Image © Paul Rands
Old Port Wakefield Road Junction:
Corner of Port Wakefield Hwy (A1) and Old Port Wakefield Rd in Virginia. September 2009.
Image © Paul Rands
Distance Sign:
RD sign with remnant National Highway 1 shield at Waterloo Corner after the junction with Old Port Wakefield Road. September 2009.
Image © Paul Rands
Approaching Brown Road:
Port Wakefield Rd approaching Brown Rd in Waterloo Corner. September 2009. The median has since been closed in this location.
Image © Paul Rands
Advance Directional Sign:
AD sign at Waterloo Corner approaching Northern Expwy (now M2, then M20), October 2012. Port Wakefield Hwy becomes Port Wakefield Rd at this location.
Image © Michael Greenslade
UPDATED Reassurance Directional Sign:
Distance sign at Waterloo Corner near Calvengrove Rd, April 2023. Click or tap here for a photo of this location by Michael Greenslade from December 2010.
Image © Terry Siva
Advance Directional Sign:
AD sign at Waterloo Corner approaching St Kilda Rd. September 2009.
Image © Paul Rands
Supplemental Advance Directional Sign:
Supplemental AD sign at Waterloo Corner approaching St Kilda Rd. September 2009.
Image © Paul Rands
Advance Directional Sign:
AD sign at Waterloo Corner approaching Waterloo Corner Road. September 2009.
Image © Paul Rands
Waterloo Corner Road Junction:
Corner of Port Wakefield Rd (A1) & Waterloo Cnr Rd in Waterloo Corner. September 2009.
Image © Paul Rands
Approaching Burton Road:
Looking southeast on Port Wakefield Road (A1) in Burton approaching Burton Road. September 2009.
Image © Paul Rands
Approaching Henry Street:
Approaching Henry Street at Paralowie. September 2009.
Image © Paul Rands
Little Para River:
Port Wakefield Rd (A1) as it crosses Little Para River at Paralowie. September 2009.
Image © Paul Rands
Approaching Victoria Drive:
Southbound on Port Wakefield Road (A1) at Parafield Gardens approaching Victoria Drive. September 2009.
Image © Paul Rands
Approaching Ryans Road:
Southbound on Port Wakefield Road (A1) approaching Ryans Road in Parafield Gardens. September 2009.
Image © Paul Rands
Approaching Martins Road:
Port Wakefield Rd (A1) approaching Martins Rd in Green Fields. September 2009.
Image © Paul Rands
Approaching Globe Derby Road:
Port Wakefield Rd (A1) southbound approaching Globe Derby Rd at Green Fields. September 2009.
Image © Paul Rands
Advance Directional Sign:
AD sign on Port Wakefield Rd (A1) at Green Fields approaching the Salisbury Hwy (now A9, then A13) interchange. September 2009.
Image © Paul Rands
Salisbury Highway Interchange:
Port Wakefield Rd (A1) at the junction with Salisbury Hwy (now A9, then A13) in Green Fields. September 2009.
Image © Paul Rands
Advance Directional Sign:
AD sign at Cavan as you approach the intersection with Montague Road and Churchill Road North. April 2007.
Image © Darrin Smith
Advance Directional Sign:
Southbound approaching the intersection with Cavan Rd (A22) at Cavan. April 2007.
Image © Darrin Smith
Advance Directional Sign:
AD sign as you approach the intersection of Main North Road (A20) and Grand Junction Road (A16) at Gepps Cross, April 2007.
Image © Darrin Smith
Trailblazer:
Reassurance marker on Main North Road (A1) at Clearview. December 2007.
Image © Paul Rands
Approach to City Ring Route:
Heading southwest at Thorngate towards the junction with City Ring Route (Robe & Fitzroy Terraces) (now R1, then A21). December 2007.
Image © Paul Rands
1 SA Government, Location SA Map Viewer.