This isn't really road construction -- but I've used this sign for years and never knew the "truth" behind it!
read more from this February 12th, 2015 article..Quote:
"....Truly one of the greatest stories in the history of Los Angeles is that of Richard Ankrom and his quest to install a freeway sign that made the lives of L.A. drivers just a little bit easier.
It began more than a decade ago when Ankrom moved to downtown Los Angeles and took notice of a curious omission on the 110 Freeway. .."
Mark