I have a reliable infrastructure maintained to a very high degree. Sure, there is some detours and potholes from time to time, but I sure do like not having to stop at tolls constantly. Once I'm on that paved road leading me wherever I want to go, I can stop in at the DMV, which people love to criticize, but for all it regulates, does a fine job. I personally have never waited more than 30 minutes at any of my local dmv's and i have lived in four different states. I doubt that a privately run business would be any more efficient for the volume it must deal with. I have also been able to do much of what I need that department for online. I have registered my vehicles, sent for plates, updated address information all within a matter of minutes. It is quite efficient.
I can also go to the post office and send a letter in the mail anywhere in the country for less than fifty cents. The USPS also offers a parcel service that is competitive with private carriers, further proving its competency.
I am not trying to argue for the validity of all government programs nor the inadequacies of private enterprise, but rather that they are quite similar in many aspects. Many people love to blame the government for anything that goes wrong. While the government does do many things poorly and makes many mistakes, it is no reason to chastise every program that comes to pass.
Again, this is not to say that you can't fundamentally disagree with a program in general. In this case, you might find federal control of the railroad system to be a poor way to spend your tax dollars. It is completely within the bounds of reason for you to feel that way. Just don't use the logic that it will be bad because everything the government does is bad.