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The Northwest 138 Corridor environmental studies are being funded by Measure R, the Los Angeles County half-cent sales tax approved by voters in 2008. The environmental studies are scheduled for completion by mid-2017. Funding for construction has not been identified and no timetable has been set for project completion.
The project development process is defined by federal and state environmental requirements. The following flow chart highlights the major milestones in the process from beginning to end.