Good route, only 2 missing speed signs in the direction of Rosenheim. But with the different speed limits, border and hills it's fun to drive. Also a decent length.
Yes, it's one of the best German routes, scenic and nicely busy. Best experienced with: DB 101 Semmeringbahn Niddertalbahn Also enhanced by: Linke Rheinstrecke Bremen-Oldenburg All the various German freight locos