The M2 widening proposal can be viewed here:
http://www.hillsm2upgrade.com.au/ea_documents.htm
We superimpose traffic forecasts from chapter 7.2.3 on page 72 with crude oil and condensate projections of Geoscience Australia
Source of data:
http://www.hillsm2upgrade.com.au/files/environmental_assessment/volume2_part1/techpaper1/m2ueavol2pt1ttiamainreportch6to8.pdf
https://www.ga.gov.au/image_cache/GA17051.pdf
It can be clearly seen that a huge gap between assumed traffic growth and declining oil production emerges already in the next years, just when the additional lanes [...]