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Open Access Publications from the University of California

Compulsory Ridesharing in Los Angeles


Americans often look to Southern California as a place where lifestyle trends are born. Now, ironically, the land that has long glorified the car culture is galvanizing commuting behavior and encouraging abstinence from the once-respectable custom of solo driving. The catalyst for this behavioral change is Regulation XV, adopted by the South Coast Air Quality Management District in 1987. Also known as "The Commuter Program," Regulation XV requires all public and private employers (firms, government agencies, schools, hospitals, etc.) with at least 100 employees at any work site to devise commute alternatives for employees and to reduce the number of people driving alone to work.

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