You might want to reconsider this analogy unless you are suggesting reducing the blocksize.
-> https://www.wired.com/2014/06/wuwt-traffic-induced-demand/
1 - From the looks of it, the traffic patterns that the article examined were those that major roadways were operating at a maximum capacity, the capacity was increased, but not enough to satisfy existing demand, so the roadways continued to operate at a maximum capacity after additional travel lanes (ect.) were added.
The only similarity to bitcoin I see here is: as long as its dirt cheap it will get used until it no longer is. In Bitcoin terms this would mean bigger blocks would not (permanently) reduce fees to previously unsaturated levels nor would it solve the "my TX is not getting through" issue, because bitcoin would just be used more until it reached this level again. Whether or not this research into roads can be transfered to bitcoin I dont know.
or alt coins (subway).