AARoads Forum

Please login or register.

Login with username, password and session length
Advanced search  


The AARoads Wiki is live! Come check it out!

Author Topic: San Gabriel Mountains National Monument + CA-2 and CA-39  (Read 3122 times)


  • *
  • Offline Offline

  • Posts: 3280
  • A Talking Pok√©mon

  • Age: 35
  • Location: Los Angeles, CA
  • Last Login: Today at 04:49:53 PM
San Gabriel Mountains National Monument + CA-2 and CA-39
« on: December 11, 2015, 12:55:11 PM »

Since 2014, a large portion of the San Gabriel Mountains are now part of a national monument. Don't have a map handy, but it includes most of the major peaks, and I think both portions of CA-2 and CA-39 are within. The former is presently closed from roughly La Canada to the Big Pines Highway due to a rock slide, and the latter has been closed from the CA-2 junction down to Crystal Lake since 1978.

My question is, now that the mountains are a national monument, how does that affect Caltrans' ability, if at all, to maintain these two highways? Does maintenance switch to the National Park Service? If so, any likelihood that CA-39 will ever finally be reopened and connect to CA-2? I've read that Caltrans has tried to relinquish the entirety of CA-39 since 2012 but old laws have largely prevente them from doing so (i.e. they'd have to literally deconstruct the entire roadbed).


  • *
  • Online Online

  • Posts: 10813
  • Age: 67
  • Location: Arlington, VA
  • Last Login: Today at 05:07:57 PM
    • my Hot Springs and Highways pages
Re: San Gabriel Mountains National Monument + CA-2 and CA-39
« Reply #1 on: December 11, 2015, 03:46:56 PM »

CA 190 and CA 178 still exist (both legislatively and in Caltrans' logs) within Death Valley Nat'l Park. The highways were there first, before the park was created. I would think the same would happen for a newly-created national monument, which is a lesser breed of Federal preserve.

Environmental laws' protection of parks of whatever kind would almost certainly block the re-completion of CA 39 through the mountains if there wasn't already a closed road there. Reopening a closed state highway would be different, though I don't know how much different.

my Hot Springs and Highways pages, with links to my roads sites:


  • *
  • *
  • Offline Offline

  • Posts: 14834
  • Last Login: Today at 09:27:03 AM
Re: San Gabriel Mountains National Monument + CA-2 and CA-39
« Reply #2 on: December 15, 2015, 11:49:06 AM »

Also keep in mind the National Monument is a USFS-managed site and not NPS or BLM.
Please note: All comments here represent my own personal opinion and do not reflect the official position(s) of NYSDOT.


  • *
  • Offline Offline

  • Posts: 5290
  • Last Login: Today at 05:07:28 PM
Re: San Gabriel Mountains National Monument + CA-2 and CA-39
« Reply #3 on: June 11, 2023, 11:07:30 AM »

Here is a tour of the abandoned part of CA-39 by Sidetrack Adventures.



Opinions expressed here on belong solely to the poster and do not represent or reflect the opinions or beliefs of AARoads, its creators and/or associates.