Expressway - The Australian Highway Site: Road Photos & Information: SA: M1 / A1 / B1 / R1 (Central Adelaide)

Road Photos & Information: South Australia

Princes Highway, South Eastern Freeway, Glen Osmond Road, City Ring Route, Main North Road, Port Wakefield Road, Port Wakefield Highway, Augusta Highway and Eyre Highway (M1 / A1 / B1 / R1)

Central Adelaide

Statistics:

Length:: 1729 km (Central Adelaide: 17 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:: Adelaide, Dulwich, Rose Park, Kent Town, Hackney, Gilberton, North Adelaide, Medindie, Thorngate, Fitzroy, Ovingham, Bowden, Therbarton, Mile End, Mile End South, Keswick, Wayville, Parkside and Eastwood

Route Numbering:

Current: R1
Former: A5 A21 1
Road Authority Internal Classification: ¹: 05610 (North Adelaide to Gepps Cross); 05624 (North Adelaide to Thebarton); 05648 (Thebarton); 06143 (Adelaide to North Adelaide); 06146 (Eastwood to Adelaide); 06185 (Keswick to Eastwood); 06180 (Glen Osmond to Parkside); 06200 (Mile End South to Keswick); 06203 (Mile End South); 06206 (Thebarton to Mile End South)

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.

Glen Osmond Road, Robe Terrace, Park Road, Mann Road, Hackney Road, Dequetteville Terrace, Britannia Roundabout, Fullarton Road, Greenhill Road, Richmond Road, South Road, James Congdon Drive, Port Road, Park Terrace, Fitzroy Terrace and Main North Road (A1 and R1):

Connecting the Adelaide central business district with the Adelaide Hills via the Adelaide-Crafers Highway, Glen Osmond Road carries half of Adelaide's freight traffic and is the major hills commuter route.

Main North Road is the major arterial route between Adelaide's CBD and the northern suburbs. The A1 section of Main North Road travels from North Adelaide to Gepps Cross.

Multiplexes along the route include:

: A2 (Main South Road), for 500 m, between Deacon Avenue and Richmond Road, Mile End South.

History:

Princes Highway:: 1955: National Route 1 shield implemented.; 1998: National Route 1 and National Highway 1 replaced by A1.; 2017: R1 replaced A21 in Central Adelaide area. ²

Clockwise (from Parkside via Thebarton then Hackney)

Advance Directional Sign:

AD sign on Greenhill Rd (R1) approaching Goodwood Rd at Wayville, June 2023.

Image © Christina Winkler

Goodwood Road:

Corner of Greenhill Rd (R1) and Goodwood Rd at Wayville, June 2023.

Image © Christina Winkler

Advance Directional Sign:

AD sign on Greenhill Rd (R5) approaching Anzac Hwy (A5) and Richmond Rd (R1) at Wayville, June 2023.

Image © Christina Winkler

Advance Directional Sign:

AD sign on Fitzroy Tce (R1) approaching Main North Rd (A1), Robe Tce (R1) and Prospect Rd at Fitzroy, June 2023.

Image © Alexander Czarnecki

Advance Directional Sign:

AD sign on Robe Tce (R1) approaching Northcote Tce (A10), Park Rd (R1) and Walkerville Tce at Medindie, June 2023.

Image © Alexander Czarnecki

Advance Directional Sign:

AD sign on Park Tce (R1) approaching Melbourne St at Gilberton, June 2023.

Image © Christina Winkler

Supplemental Advance Directional Sign:

Supplemental AD sign on Park Tce (R1) approaching Melbourne St at Gilberton, June 2023.

Image © Christina Winkler

Melbourne Street:

Corner of Park Tce (R1) an\d Melbourne St at Gilberton, June 2023.

Image © Christina Winkler

Melbourne Street:

Corner of Park Tce (R1) and Melbourne St at Gilberton, June 2023.

Image © Christina Winkler

Advance Directional Sign:

AD sign Park Tce (R1) at Gilberton approaching Park Tce service road and Bundeys Rd, June 2023.

Image © Christina Winkler

River Torrens:

Hackney Rd (R1) at Gilberton approaching the O-Bahn busway and crossing the River Torrens, June 2023.

Image © Christina Winkler

Advance Directional Sign:

AD sign on Hackney Rd (R1) at Hackney, approaching Dequetteville Tce (R1), North Tce (A11) and Botanic Rd, June 2023.

Advance Directional Sign:

AD sign on Dequetteville Tce (R1) at Kent Town approaching Rundle St, June 2023.

Advance Directional Sign:

AD sign on Dequetteville Tce (R1) at Kent Town approaching Fullarton Rd (R1 and B28), Kensington Rd and Wakefield Rd, June 2023. Note the missing route number for the left turn onto Fullarton Rd (B28).

Advance Directional Sign:

AD sign on Dequetteville Tce (R1) at Kent Town approaching Fullarton Rd (R1 and B28) and Kensington Rd, June 2023. Note the missing route number for the left turn onto Fullarton Rd (B28).

Advance Directional Sign:

AD sign on Fullarton Rd (R1) at Dulwich approaching Greenhill Rd (R1 and B26) and Fullarton Rd (A1), June 2023.

Anti-clockwise (from Parkside via Hackney then Thebarton)

Advance Directional Sign:

AD sign on Prospect Rd at North Adelaide approaching City Ring Route (Fitzroy Tce) (R1), May 2023.

Advance Directional Sign:

AD sign on Fitzroy Tce (R1) approaching Park Tce (R1), Torrens Rd (A22) and Jeffcott Rd at North Adelaide, June 2023. Note the incorrect suffix for Jeffcott Rd.

Click or tap here for the continuation of the route as A1 between Adelaide and Two Wells
Click or tap here for the continuation of A1 and M1 between Crafers and Adelaide

¹ SA Government, Location SA Map Viewer.
² ABC News, Adelaide 'Wetern' suburbs spelling error spotted on new road sign, 17 May 2017.