Many say Los Angeles is a city that grew without any rational planning. In reality the planning was there -- but much of the best planning never quite materialized. A perfect example is the 1970 Concept Los Angeles plan -- a vision of what the city could have looked like and now a history lesson for planners. For the first time, it is available in digital format for free download on Planetizen.
A summary of the the 1970 Concept Los Angeles plan is also available as a PDF for download.