This was the whole west coast; the Bay, Seattle, Los Angeles.
https://www.postalley.org/2023/09/04/seattle-was-a-streetcar-city-then-it-wasnt-heres-what-happened/
https://hoodline.com/2018/09/hobbyist-s-map-offers-glimpse-into-lost-routes-of-east-bay-s-1920s-streetcars/
https://www.thereallosangelestours.com/the-red-cars-las-lost-trams/
