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Can anyone confirm whether the section north of Gawler is signposted as A32 or B32? -- Scott Davis ^Talk 06:05, 18 March 2006 (UTC) reply

My UBD says it's A32. AtD 13:26, 20 March 2006 (UTC) reply

Can someone clear this up. On every map I can see, Main North Road between Grand Junction Road and North Adelaide is marked as (State Route) A1, not (National A1). The national route goes via Grand Junction Road, Hampstead Road, Ascot Ave and Portrush Road to the M1. Although ive made edits elsewhere, I dont wish to go over anyones head. Cheers. LukeNE ( talk) 16:05, 25 May 2008 (UTC) reply

Hey all, www.nearmap.com.au is in the process of updating there maps. National A20 has been rerouted to the Northern Expressway as M20. the Gawler Bypass Road from the Northern Expressway interchange through to Main North Road is being updated as the A52. Im assuming nearmap wouldnt do this unless this is the new alpha numeric number for Main North Road and the southern section of the Gawler Bypass. Linkqer ( talk) 03:18, 5 December 2010 (UTC) reply

Main North Road north of Gawler bypass road was renamed in 2011 to Horrocks Highway. It is still commonly recognised by the old name, but the new name is what appears on signs etc. I propose that Horrocks Highway get its own article (with links to Wikidata and OpenStreetMap). -- Scott Davis ^Talk 12:34, 21 December 2019 (UTC) reply

• Supported but not a high priority? Aoziwe ( talk) 10:16, 21 January 2020 (UTC) reply
• Support split, considering Horrocks Highway definition diverges north of Wilmington from the previous Main North Road route, giving it its own article would better reduce confusion. Lordstorm ( talk) 14:41, 18 June 2022 (UTC) reply

After nearly four years with support but no action, article has been officially split into Horrocks Highway. Lordstorm ( talk) 07:55, 27 November 2023 (UTC) reply

Can someone talk about why the B82 was split from the A32, and make the relevant amendments to the infobox? Jordf32123 ( talk) 08:45, 22 August 2023 (UTC) reply