The 1961 study had some truly evil maps (I'd never seen that blue dashed line before) - and is a fascinating read
https://collection.sl.nsw.gov.au/record/74VvMDj4Ep7O
https://collection.sl.nsw.gov.au/record/74VvMDj4Ep7O
If that history interests you - this map surely will as well:
https://archives.cityofsydney.nsw.gov.au/nodes/view/1073317
https://jakecoppinger.com/2026/02/have-you-heard-of-the-southern-arterial-route/#:~:text=was%20to%20raze%20the%20red%20and%20white%20zebra
@jakecoppinger RMS road guys never gave up on the County Cumberland Plan.
Paving the planet since 1949.