The Psychology of California’s Travel Corridors.

California’s three great intercity corridors—Los Angeles to San Francisco, Los Angeles to Las Vegas, and Los Angeles to San Diego—are often discussed in terms of engineering, infrastructure, or political will. But the deeper truth is psychological. Each corridor has a dominant identity, a set of expectations and habits that shape how people choose to move through it. These identities are remarkably stable, and they explain why some megaprojects thrive while others stall.

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