Old Congressional hearing of Highway Safety 1968

[Mergingtraffic]

While looking up something road related, I came across this document again (it's been mentioned before) but I have never really read it.  A lot of the issues today are raised here.

https://babel.hathitrust.org/cgi/pt?id=pst.000017394611;view=1up;seq=001

Everything from signage, lane markings, service signs, to interchange geometry.

Quite interesting.