https://www.technologyreview.com/2023/06/28/1074354/forgotten-highway-photologs/
This YouTube channel has been uploading scanned VHS tapes from WSDOT's old 1980s and 1990s video logs: https://www.youtube.com/@highwayvideos3434
Quite entertaining to see the roads I drive down today as they were before I was born. And yes, the gas prices were ridiculous compared to today's.
The CHPW volumes from 1924-67 would occasionally insert stuff from route photo logs.