Highways are cheaper and easier because they're usually less investment and planning at once. They have their own downsides, don't get me wrong, but no. Rail is long term, lots of property seizure, usually a single track across a vast distance, etc.
Rail makes sense for a lot of places, but for a country as large as America, it's hard to see the benefits as fast as highways and we need logistics to switch to electric quickly.
That said, to make highways more efficient more places should take a page off of the 407 in Ontario, Canada. The fluctuating pricing keeps the roads in high usage most of the time and it stops tragedy of the commons issues with sinks (the cities that highways dump their vehicles to) and keeps highway economic pricing honest against things like rail and sea.