Because of readers’ interest and reactions to the column on infrastructure (“Why the Nation’s infrastructure is falling apart,” Times, September 23), I will continue discussing today infrastructure development and maintenance, and how this is the key to building a better country and national modernization.

Perhaps the best book on the role of infrastructure development and public investments in national development is Bold Endeavors (Simon & Schuster, 2009), Felix Rohatyn’s riveting account of how several visionary US presidents built modern America through well-targeted infrastructure and focused public investments.