A4 Motorway (Switzerland)
The A4 motorway in Switzerland begins from Schaffhausen, in northern Switzerland, and travels southward into central Switzerland.
The general route of A4 is: Bargen - Schaffhausen - Winterthur - Zürich - Central Switzerland.
Read more about A4 Motorway (Switzerland): Route Description, Reclassifying Main Road 15 As A National Road, Junction List