Red Light-The Sands of Time (1967)
https://www.youtube.com/watch?v=B9CMS5npcT4
A real obscurity, it mentions NJ Route 69. What’s interesting is that eventually NJ had to renumber it as 31. For some reason, people kept stealing the 69 signs. My mom guessed it was the work of kids in the class of 69. Yeah, that must have been it.