Take down seems to forget that we have to replace road surface sometime and _if_ the claim that the solar roadway is net cost cheaper, then it seems to be the best choice. We dont have to dump $51T all at once, or even over 51 yrs timespan. Plus, doing it incrementally has the advantage of evolving in response to field reports/experience.
https://www.youtube.com/watch?v=iwqN3Ur-wP0
Probably not the connotations the author wanted.