Immunization for contagious diseases is only required if the traveler has been in an infected area within 14 days preceding arrival in Switzerland. Swiss medical facilities are among the best in the world. In case of doctor's visit one needs to show proof of travel health insurance, or make a deposit in cash or Traveler's cheques. Driving It is easy to get around by car in Switzerland. Many traffic signs are identical to the ones used worldwide, others are self explanatory.
Alpine passes are easy to drive though some caution is advised on narrow, winding roads.
Road tunnels and trains are also a good way to take the cars from city to city. Freeways - 120 kilometers per hour. Highways - 80 kilometers per hour. Cities and Towns - 50 kilometers per hour. Freeways are identical with green directional signs.