Sustrans have changed the route of NCN 78 between Oban and Connel - see http://www.sustrans.org.uk/ncn/map/route/route-78
The new route uses the Back Road to avoid 2 miles on the A85 -ugh.
Derek
p.s. This is about the cycle route known as Caledonian Way, not in the "Choose a route" list below.