See, I find it a lot more useful to know whether I did what I needed to.
I think this is related to Team Yellow vs. Team Black:
Those of us on Team Black, like me, care about the logging system being most motivating, not the purity of the real-world nature of the graph. This way, the data you log is a function of both what you do and what you need to do, as opposed to just what you do.
What do you think is the best way to handle weekend-only goals?
Another possibility is to allow for uploading a list of numbers used to shape your future road - that way you could script something that would create a table to auto-modify your road for weekend-only the way @apolyton does manually.
Here’s another example: