Originally published in Los Angeles Sports & Fitness, September 2012.
While in Paris, I marveled at the subway system. In the United States, as cities on the west coast attempt to develop subway systems, local governments are caught in a network dilemma: A network improves as more people join the network, but local governments cannot justify the expense to expand without more users. In Paris, subway lines crisscross the city: There was no place that was not easily accessible through the subway and a short walk. This is a mature network; as more people use a particular line, more trains are added, and the line improves in quality and speed. In Los Angeles, the problem with the subway is that the lines do not crisscross the city: Plenty of locations are completely inaccessible by the subway. Due to the inaccessibility, fewer people use the subway; however, to build the additional lines, there has to be a demand: It’s a catch-22. […]