- That it was invented for war. (It was)
- That it led to the decline of rail (it did)
- That it led to the rise of trucks (it did)
- That it led to the expansion of automotive use. (It did)
- That it eliminated demand for public transportation (it did)
- That it contributed to sprawl (it did)
https://www.quora.com/Do-libertarians-believe-there-should-be-federally-funded-interstate-highways