Why Los Angeles Buried Its Own Subway Tunnel

 https://www.youtube.com/watch?v=0J9Nk4cP2eo 

https://en.wikipedia.org/wiki/Cahuenga_Pass 

https://www.cppoa.org/about/cahuenga-pass-history

https://www.gettyimages.ca/search/2/image?phrase=cahuenga+pass&tracked_gsrp_landing=https%3A%2F%2Fwww.gettyimages.ca%2Fphotos%2Fcahuenga-pass 

https://www.beforethe101.com/post/hollywood-bowl-treasure-curse-of-cahuenga-pass 

https://calisphere.org/item/8ab93650c12b0e4a44fc4f93c245a4af/

https://www.reddit.com/r/LosAngeles/comments/zw5c16/cahuenga_pass_1920/  

https://en.wikipedia.org/wiki/B_Line_(Los_Angeles_Metro) 

https://www.reddit.com/r/LAMetro/comments/1qcc6z2/really_happy_with_the_direction_of_the_b_line_and/ 

https://en.wikipedia.org/wiki/Los_Angeles_Metro_Rail#Lines