1906: According to the September 11, 1906 edition of the Los Angeles Examiner newspaper, in a brief article entitled “Owl Cars Are Run On Principal Lines,”:
“The “owl” car service began last night. Cars on the principal lines left First and Spring Streets at 1 and 2 o’clock. They were well patronized. The lines included are Boyle Heights, Grand Avenue, Vernon Avenue, University, Main Street, and Pico Heights.”
More information about the history of “owl service” can be found in this Primary Resources post.
1950: The last day of operation for Los Angeles Transit Lines‘ Sunset & Spring – West 9th Street line.
1967: A joint Southern California Rapid Transit District– Greyhound Depot opens in downtown Los Angeles at 6th and Los Angeles Streets.
It continues to operate until September 12, 1982.