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A Green Line MTS Trolley (San Diego Metropolitan Transit System) at a station in San Diego, California, United States Stock Photo - Alamy
New La Jolla trolley line could have bigger, faster impact than green line through Mission Valley - The San Diego Union-Tribune
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Rail Insider-Light-rail update: San Diego Metropolitan Transit System's trolley renewal project:. Information For Rail Career Professionals From Progressive Railroading Magazine
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Opinion: The Blue Line Trolley Extension Should Have Gone by San Diego's Beaches - Times of San Diego
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