The prime minister of Australia, Malcolm Turnbull, has come up with an idea that will no doubt soon invade the United States. He calls it the “30-minute city,” the idea being that everyone will be able to get to work, school, and “anywhere we need to be” within 30 minutes.
Instead of relieving congestion so people can travel further within 30 minutes, however, Turnbull wants to completely rebuild urban areas, relocating jobs and people so they will be less than 30 minutes apart even if congested. Essentially, he wants to promote polycentric cities in which most jobs are located in a few urban and suburban centers.
Following Turnbull’s plan, for example, Sydney is proposing to become a “metropolis of three cities,” meaning three major job centers. Three? Los Angeles has more than 100 job centers. You’d have to get down to urban areas of under 500,000 people (Sydney has 5 million) to find ones in the United States with only three job centers. Continue reading