Part Two of a Two-Part Series -- The compelling thing about the United States’ transportation system is that, to some degree, you can examine its history and development on a continuum or a loop.

Part One of a Two-Part Series -- It’s a fall afternoon and Village of Pinecrest Vice Mayor and long-time Florida resident James McDonald is talking infrastructure in Miami-Dade County. The county has a population of 2.75 million and is part of the greater Miami region — among the largest metropolitan areas in the Southeastern United States and one with growing traffic gridlock.