BackroadsWest.com continues its excellent series about Route 66 in Southern California with this virtual tour of the newer Route 66 alignment through Cajon Pass:
https://youtu.be/TM1_qzRnWbM
The video about the 1914 alignment of Cajon Pass can be viewed here. A two-part video series about Route 66 from Victorville to Barstow is here.
UPDATE: Mike Ward informs me that the video was pulled:
@route66news This video was removed by the owner.Apparently there were quite a few mistakes in the video.— Michael Ward (@flyboy1946) August 19, 2012
UPDATE 8/25/2012: The video has been reposted.