Statistics:

Length:
1729 km (Port Wakefield to Crystal Brook: 100 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:
Beaufort, Nantawarra, Lochiel, Gleeson Hill, Snowtown, Burnsfield, Hope Gap, Collinsfield, Redhill, Merriton and Crystal Brook

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:
1990s: Crystal Brook bypassed.

Port Wakefield to Crystal Brook

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Advance Directional Sign:

AD sign approaching the intersection with Shadwells Road and Shadwell Gap Road at Snowtown, August 2008.

Image © Kate Pilling

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Reassurance Directional Sign:

Distance sign as you leave Collinsfield, August 2008.

Image © Kate Pilling

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Distance Sign:

RD sign as you leave the town of Crystal Brook, December 2003.

Image © Michael Greenslade

Crystal Brook to Port Wakefield

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Services Sign:

Services sign as you enter the Crystal Brook area. September 2009.

Image © Paul Rands

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Advance Directional Sign:

AD sign at Crystal Brook, approaching Goyder Hwy (B64) (formerly Old Princes & Clare Highways). September 2009. Click or tap here for a photo of this location by Michael Greenslade from December 2003.

Image © Paul Rands

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Goyder Hwy Junction:

Corner of Augusta Highway (A1) and Goyder Highway (B64) at Crystal Brook. September 2009.

Image © Paul Rands

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Reassurance Directional Sign:

Distance sign as you look southeast along Augusta Highway (A1) at Crystal Brook. September 2009.

Image © Paul Rands

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Advance Directional Sign:

AD sign approaching Mundoora Rd at Merriton. September 2009.

Image © Paul Rands

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Mundoora Road Junction:

Corner of Augusta Highway (A1) and Mundoora Road at Merriton. September 2009.

Image © Paul Rands

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Distance Sign:

Reassurance directional sign after the Mundoora Rd intersection at Merriton. September 2009.

Image © Paul Rands

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Services Sign:

Sign listing the available services at Redhill. September 2009.

Image © Paul Rands

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AD Sign:

Advance directional sign at Redhill approaching Ellis Street. September 2009.

Image © Paul Rands

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Ellis Street Intersection:

Corner of Augusta Hwy and Ellis St in Redhill. September 2009.

Image © Paul Rands

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Reassurance Directional Sign:

Distance sign as you leave Redhill. September 2009.

Image © Paul Rands

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Entering Lakeview:

Augusta Highway (A1) as it enters Lakeview. September 2009.

Image © Paul Rands

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Services Sign:

Services sign approaching Snowtown. September 2009.

Image © Paul Rands

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Advance Directional Sign:

AD sign at Snowtown approaching North Terrace. September 2009.

Image © Paul Rands

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North Terrace Junction:

Corner of Augusta Highway (A1) and North Terrace in Snowtown. September 2009.

Image © Paul Rands

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Black Advance directional Sign Assembly:

Old black AD sign assembly, updated with alphanumeric route numbers, looking northwest on North Tce in Snowtown. September 2009.

Image © Paul Rands

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Intersection Directional Signs:

ID signs facing North Tce in Snowtown. September 2009.

Image © Paul Rands

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AD Sign:

Advance directional sign on Augusta Highway (A1), approaching Shadwells Gap Road in Snowtown. September 2009.

Image © Paul Rands

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AD Sign:

Advance directional sign on Augusta Highway (A1), approaching Lochiel-Snowtown Road in Snowtown. September 2009.

Image © Paul Rands

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Lochiel-Snowtown Road:

Corner of Lochiel-Snowtown Road & Augusta Highway (A1) in Snowtown. September 2009.

Image © Paul Rands

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Distance Sign:

RD sign as you leave Snowtown on Augusta Highway (A1). September 2009.

Image © Paul Rands

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Road Train Assembly Area Sign:

Sign at Lochiel indicating the distance to the road train assembly area. September 2009.

Image © Paul Rands

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Entering Lochiel:

Augusta Highway (A1) as it enters the town of Lochiel. September 2009.

Image © Paul Rands

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Road Train Assembly Area Entrance:

Augusta Highway (A1) at the junction with the road train assembly area in Lochiel. September 2009.

Image © Paul Rands

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Lochiel Town Centre:

Augusta Highway (A1) in the town centre of Lochiel. September 2009.

Image © Paul Rands

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AD Sign:

Advance directional sign at Lochiel approaching Leslie McIntyre Road. September 2009.

Image © Paul Rands

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Lesley McIntyre Road Junction:

Corner of Augusta Hwy & Lesley McIntyre Rd in Lochiel. September 2009.

Image © Paul Rands

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Distance Sign:

RD sign as you leave Lochiel. September 2009.

Image © Paul Rands

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Advance Directional Sign:

AD sign at Nantawarra approaching Dixon Road and Catford Road. September 2009.

Image © Paul Rands

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Catford Road & Dixon Road Intersection:

Corner of Catford Road and Dixon Road at Nantawarra. September 2009.

Image © Paul Rands

Click or tap here for the continuation of A1 between Crystal Brook and Port Augusta
Click or tap here for the continuation of A1 between Two Wells and Port Wakefield
1 SA Government, Location SA Map Viewer.