By Christopher Reynolds – LATimes.com – Photo Christopher Reynolds/Los Angeles Times

When state and local officials expanded Interstate 5 through San Diego and built the Coronado Bridge in the 1960s, they split the longstanding blue-collar neighborhood of Barrio Logan. Then in 1970, when the California Highway Patrol started building an office where a park was expected, the largely Mexican American neighborhood rose up, occupied the site, staged demonstrations — and eventually a park was built. Soon after came the first murals, converting the shady park’s forest of concrete bridge pillars into a gallery of broad canvases.

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