This is a list of the main roads (, , ) in Switzerland. Together with the motorways, they are the main long distance roads. Unlike the motorways, they are usually not dual carriageways, and no toll vignette is required.
Drivers on main roads have the right of way. Drivers on all roads not listed below except motorways and expressways (, , ) have to give the way.
The main roads 1 to 30 are signalized with the sign 4.57 "Main road number".
The main roads 100 and upwards are not signalized with the sign 4.57 "Main road number".
Main roads with number 500 and upwards are only accessible for vehicles of a maximum width of .