More than 60 years ago, the interstate highway system was envisioned to connect the country from coast to coast. Initially, a modest 3-cents-per-gallon tax on gasoline and diesel fuel was established and wholly dedicated to the construction and maintenance of roads and bridges. The vision became reality and exceeded expectations, connecting communities, making travel easier, and improving the flow of commerce. A short time later, the gasoline and diesel tax was increased to 4 cents per gallon—where it stayed until 1983, when it was doubled. Unfortunately, this also marked the point in which highway taxes began to be diverted to...