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| M1 A1 B1 | Princes Highway, South Eastern Freeway, Glen Osmond Road, Fullarton Road, Dequetteville Terrace, Hackney Road, Main Road, Park Road, Robe Terrace, Main North Road, Port Wakefield Road, Port Wakefield Highway, Augusta Highway & Eyre Highway (M1 / A1 / B1) - Crafers to Adelaide |
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Route Numbering:
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.
In South Australia, it's numbered with several designations:
The Princes Highway links Adelaide, Melbourne and Sydney. The highway was first proclaimed from Sydney to Melbourne in the 1920s, it was later extended through western Victoria and eventually to Adelaide.
Towns along this section of Highway include Mount Gambier, Millicent, Kingston SE, Meningie, Tailem Bend, Murray Bridge, Nairne, Mount Barker and Adelaide. The route varies from 2 lane rural highway standard to full freeway standard and includes the Adelaide-Crafers Freeway which features twin 600 metre tunnels.
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.
History:
Princes Highway (M1, A1 & B1) (Includes Jubilee Hwy and South Eastern Fwy):
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Old Tollhouse: Old sandstone tollhouse on Princes Hwy at Glen Osmond. September 2009. The background on the the old tollhouse is to do with the road from Adelaide to Mount Barker, which was surveyed and constructed in 1841, allowing settlement in the Adelaide Hills. The toll house was established at Glen Osmond to toll the road, to pay for its upkeep and maintenance. However, the state of the road was poor and public backlash caused the removal of the tolls in 1847 after the Government refused to upgrade it any further. The site contains one of the original toll gates and was place on the Register of the National Estate in 1978. 4 Image © Michael Greenslade |
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Advance Directional Sign: Advance directional sign on Glen Osmond Rd (non A1 section) as you approach the intersection with Fullarton Rd in Eastwood, June 2007. Image © Darrin Smith |
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Advance Directional Sign: Small AD sign on Glen Osmond Rd (A1) appraching Bevington Rd and Conyngham St at Frewville, May 2013. Image © Terry Siva |
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Advance Directional Sign: AD sign on Portrush Rd (A17) at Glen Osmond approaching Princes Hwy (South Eastern Fwy (M1) and Cross Rd (A3), December 2003. Image © Michael Greenslade |
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Advance Directional Sign: Eastbound AD sign on Cross Road (A3) at Myrtle Bank, approaching the Glen Osmond Road (A1), Princes Highway (M1) and Portrush Road (A17) junction. September 2009. Image © Paul Rands |
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Intersection Directional Sign: Eastbound ID sign on Cross Road (A3) at Myrtle Bank, at the Glen Osmond Road (A1), Princes Highway (M1) and Portrush Road (A17) junction. September 2009. Image © Paul Rands |
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Old Tollhouse: Old sandstone tollhouse on Princes Hwy at Glen Osmond. September 2009. The background on the the old tollhouse is to do with the road from Adelaide to Mount Barker, which was surveyed and constructed in 1841, allowing settlement in the Adelaide Hills. The toll house was established at Glen Osmond to toll the road, to pay for its upkeep and maintenance. However, the state of the road was poor and public backlash caused the removal of the tolls in 1847 after the Government refused to upgrade it any further. The site contains one of the original toll gates and was place on the Register of the National Estate in 1978. 4 Image © Paul Rands |
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Distance Sign: Reassurance directional sign at Glen Osmond. July 2014. Image © Michael Greenslade |
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Distance Sign: Looking southwest on Princes Hwy (Adelaide-Crafers Fwy) at Glen Osmond. September 2009. Image © Paul Rands |
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Glen Osmond: Princes Hwy (South Eastern Fwy) (M1) as it passes through Glen Osmond, December 2003. Image © Michael Greenslade |
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Advance Directional Sign: AD sign at Mount Osmond for the Mount Osmond Road interchange. September 2009. Image © Paul Rands |
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Supplemental Advance Directional Sign: Tourist orientated supplemental AD sign at Mount Osmond for the Mount Osmond Road interchange. September 2009. Image © Paul Rands |
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Mt Osmond Rd Interchange: Looking northeast at Mt Osmond at the Mt Osmond Road. September 2009. Image © Paul Rands |
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Mount Osmond: View of South Eastern Fwy (M1) from Mt Osmond Rd overpass at Mt Osmond, December 2003. Image © Michael Greenslade |
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Advance Directional Sign: AD sign for Mt Barker Road (former Princes Highway) at Mt Osmond. September 2009. Image © Paul Rands |
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Mt Barker Road Interchange: Looking east at Mt Osmond at the Mt Barker Rd interchange. September 2009. Image © Paul Rands |
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Overheight Warning Sign: Sign at Mt Osmond just before the Heysen Tunnels, which is connected to sensors that detect the heights of vehicles. When they exceed the pre-determined height the sign flashes. September 2009. Image © Paul Rands |
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Heysen Tunnels: The northwestern portals to the Heysen Tunnels at Mt Osmond. September 2009. Click here for the page maintained by Road Traffic Technology on the construction of the Heysen Tunnels. Image © Paul Rands |
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Outbound Tunnel Portal: Entrance to the outbound tunnel at Mt Osmond. September 2009. Image © Paul Rands |
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Inside the Heysen Tunnels: Inside outbound tunnel of the Heysen Tunnels under Mt Osmond. September 2009. Image © Paul Rands |
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| Click here for the continuation of M1 between Mt Barker & Crafers Click here for the continuation of A1 between Adelaide & Two Wells |
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1 History Trust of South Australia
2 RoadTechnology.com, Adelaide Crafers Highway
3 Australian Government's Department of Infrastructure, Transport, Regional Development and Local Government
4 Waymarking, Toll House, Mount Barker Rd, Glen Osmond, South Australia
Last updated: 29-Nov-2020 16:41
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