The Roman road ran somewhat north of the present route, and a stretch of it can be seen near Effingen. It was the site of the final defeat of the Helvetii in AD 69, following their uprising in the civil war of Galba.
The ancient Roman highway roughly followed a northerly course, and a section of it is visible near Effingen. It was the location of the Helvetii's last defeat in AD 69, following their rebellion during Galba's civil war.