There aren’t red lanes at West Portal — red lanes are for 24-hour transit priority. The driving force behind the transit priority project at West Portal is that 3 surface lines enter a subway all at once, at a very mixed intersection, and interference from private cars has been shown to be a major cause of delays that impact the whole system. See our commentary here.

    San Francisco Transit Riders

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    A rider-based organization working for excellent, affordable, and growing transit in San Francisco. Join us! http://sftransitriders.org/join