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thumb|The Swiss railway network (as of 2017)

thumb|The Swiss road network (as of 2011)

thumb|Swiss Vignet 2025

Switzerland has a dense network of roads and railways. The Swiss public transport network has a total length of and has more than 2,600 stations and stops.

The crossing of the Alps is an important route for European transportation, as the Alps separate Northern Europe from Southern Europe. Alpine railway routes began in 1882 with the Gotthard Railway, with its central Gotthard Rail Tunnel, followed in 1906 by the Simplon Tunnel and the Lötschberg Tunnel in 1913. As part of the New Railway Link through the Alps (NRLA) in 2007, the Lötschberg Base Tunnel opened, followed by the Gotthard Base Tunnel opened in 2016.

The Swiss road network is funded by road tolls and vehicle taxes. Private cars and commercial trucks must purchase a vignette to use the motorways; this costs 40 Swiss francs per calendar year. , the Swiss motorway network has a total length of and has also—with an area of —one of the highest motorway densities in the world.

Zurich Airport is Switzerland's largest international flight gateway, handling 24.9 million passengers in 2013. The second-largest airport, Geneva Cointrin, handled 14.4 million passengers (2013) and the third-largest EuroAirport Basel Mulhouse Freiburg 6.5 million passengers; both airports are shared with France.

Switzerland has approved billions of francs for the improvement of its public-transportation infrastructure. The modal split for public transportation is one of the highest in Europe, standing at 21.3% in 2010. In many cities with a population above 100,000, the modal split for public transportation lies above 50%.

Public transport

Switzerland has an extensive and reliable public transport network (see e.g. public transport in Zurich). Due to the clock-face schedule, the different modes of transports are well integrated. There is a national integrated ticketing system for public transport which is organised in tariff networks (for all train and bus services and some boat lines, cable cars and funiculars). For non-Swiss tourists, travelling by train, bus and boat in the country is facilitated with the Swiss Travel Pass. Eurail and Interrail rail passes are both valid in Switzerland.

Many Swiss railway stations have bicycle parking (or a bicycle-parking station) and park and ride, known as P+Rail, and many of them also offer Mobility Carsharing.

Railways

thumb|Intercity on the Gotthard line

Switzerland has a very high density of railway network, with an average of of track for every 1,000&nbsp;km<sup>2</sup> ( per ; average of in the EU). In 2008, each Swiss citizen travelled, on average, by rail, which makes them the most frequent users of rail transport. There are only a few high-speed railway lines.

Many of the Swiss standard-gauge railway lines are part of the nationwide Swiss Federal Railways (SBB) system, although other standard gauge lines are operated by independent companies such as BLS AG or Südostbahn. In addition numerous narrow-gauge railways are operated, the largest company of its kind being the Rhaetian Railway. In total, of rail network are used.

Swiss Federal Railways run some 5,000 passenger train services covering about daily. Half of these train services are long-distance; the other half are regional and suburban services. In 2013, 366 million passengers used the Swiss Federal Railways.

Rail transport in Switzerland also includes a car and truck transportation service () on some lines.

Urban rail

Urban commuter rail networks, known mostly as S-Bahn, are focused on the country's cities: Zurich, Geneva, Basel, Bern, Fribourg, Lausanne, Lucerne, Porrentruy, St. Gallen, Schaffhausen and Chur. Aargau S-Bahn provides regional train services mainly in the canton of Aargau, transN in the canton of Neuchâtel, RegionAlps in the canton of Valais and TILO in the canton of Tessin and the Italian province of Lombardy. Some services near Lake Constance () also operate for Bodensee S-Bahn.

Several cities, such as Basel, Bern and Zurich, have a tram network. During the mid 20th century, some cities (such as Lugano and Winterthur) replaced their tram lines with trolleybus lines.

Lausanne is the only city with a metro system (Lausanne Metro), which includes two lines: one is light rail; the other, a fully automated metro, opened in 2008. After its opening, Lausanne replaced Rennes as the smallest city in the world to have a full metro system.

Mountain rail

thumb|upright|[[Bergbahn Lauterbrunnen-Mürren|Mürren train ]]

Trains cannot climb steep gradients, so it is necessary to build large amounts of track in order to gain height gradually. Transversals through the Alps were made possible with the use of hidden circular tunnels, which are called spiral railways. In the case of extremely mountainous terrain, railway engineers opted for the more economical narrow-gauge construction.

The many railway viaducts of the Rhaetian Railway in the canton of Graubünden, built for the most part in the early 20th century, have become a tourist attraction as well as a necessary transport system, drawing rail enthusiasts from all over the world.

Some railways were built only for tourist purposes as the Gornergrat or the Jungfraujoch, Europe's highest station in the Bernese Oberland, at an altitude of 3,454 metres (11,330&nbsp;ft).

Funicular

Proposed Maglev

In response to the increasing need for transport capacity and the cost of ground surface infrastructures, an underground transportation system has been proposed and studied. The trains would use linear motor and magnetic levitation to reach speeds about . The project is not likely to be realised in the near future, but a license for application has been deposited for a trial line between Geneva and Lausanne.

Cable transport

Roads

thumb|right|[[PostBus Switzerland|Postauto on the Susten road ]]

Switzerland has a network of two-lane national roads. These roads usually lack a median or central reservation. Some stretches are controlled-access, in that all traffic must enter and exit through ramps and must cross using grade separations.

Two of the important motorways are the A1, running from St. Margrethen in northeastern Switzerland's canton of St. Gallen through to Geneva in southwestern Switzerland, and the A2, running from Basel in northwestern Switzerland to Chiasso in southern Switzerland's canton of Ticino, using the Gotthard Road Tunnel.

Autobahn (plural: Autobahnen) is the German name; in French-speaking Switzerland they are known as autoroutes, and in Italian-speaking Switzerland they are known as autostrade (singular: autostrada). Swiss motorways have general speed limits of 120&nbsp;km/h (75&nbsp;mph).

{| class="wikitable" border="1" style="margin:1em auto;"

|+ Length of the national, cantonal and municipal road network (2007)

! Total !! National roads !! Cantonal roads !! Municipal roads

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Cars

Switzerland had 6,562,600 motor vehicles (excluding mopeds) in 2025. The largest category was passenger cars with 4,829,500 units (58.7% running on petrol, 24% on diesel, 5.2% on electricity and 11.9% hybrid).

Biking

Cycling is included and promoted in the Swiss constitution since 2018. Concretely, the authorities must develop bike-lanes and related infrastructures.

The Asian trend of bike sharing came to Switzerland in 2017 with new companies emerging such as Lime, PubliBike and Smide. The Singaporean-based, former company oBike launched in the city of Zürich on 5 July 2017.

As of 2024, nearly one in two bikes sold in Switzerland was an ebike (Switzerland has 5.2 million bicycles and around 1.4 million e-bikes).

Air transport

thumb|right|[[Airbus A320-200 of the national carrier - Swiss International Air Lines]]

thumb|right|[[Airbus A340-300 of Edelweiss Air]]

  • 64 (2012)
  • Airports - with paved runways
  • total: 41
  • over : 3
  • Zurich Airport
  • Geneva Airport
  • EuroAirport Basel Mulhouse Freiburg
  • : 2
  • : 13
  • : 6
  • Bern Airport
  • Lugano Airport
  • St. Gallen Airport
  • under : 17 (2012)
  • Airports - with unpaved runways:
  • total: 23
  • under : 23 (2012)
  • Heliports: 1

thumb|right|Interior of Zurich Airport

Zurich Airport also called Kloten Airport, located in Kloten, canton of Zürich, is Switzerland's largest international flight gateway and hub to Swiss International Air Lines and Lufthansa. The airport handled 27.6 million passengers in 2016. In 2003, Zurich International completed an expansion project in which it built a car park, a midfield terminal, and an automated underground train to move passengers between the existing terminal complex and the new terminal. Zurich International lost traffic when Swissair shut down its operations (most of its assets were then taken over by the former Crossair). When Lufthansa took over its successor Swiss International Air Lines (SWISS), traffic grew again.

Zurich Airport's railway station (Zürich Flughafen) is underneath the terminal. There are trains to many parts of Switzerland; frequent S-Bahn services, plus direct Inter-regio and intercity services to Winterthur, Bern, Basel and Lucerne (Luzern). By changing trains at Zürich Hauptbahnhof most other places in Switzerland can be reached in a few hours.

The second largest airport of the country, Geneva Airport , handled 16.5 million passengers in 2016.