My most striking observation that day was that there was practically no traffic on this road - the main road along Vietnam's littoral "backbone" !
Some more recent links and traffic updates
NOTE: my March 25, 2002 WWW search for place names on this traject mentioned in
the 1956 Travel Guide yielded the following results:
Nhatrang: 40,953 ; Ninh Hoa=22,310; Dai Lanh=135; Ben Gai Bay= 0; Cape of Varella= 0; Tuy Hoa= 61,800 (US Airbase); River Darang= 5; Song Ca= 33,053; Qui Nhon = 4,526