There are excellent roads in Switzerland. Still, it's good to be prepared, especially if you are not used to driving in the mountains.
About car rental, the Swiss motorway vignette, traffic rules and car trains.
Detailed map of Switzerland showing towns, rail stations, roads and more.
Swiss Travel Pass promotion: 25% discountAvailable until 11 December 2021. Book 11 months in advance. Free cancellation.https://shop.switzerlandtravelcentre.com/#/en/home.