Geographic types
Travel may be local, regional, national (domestic) or international. In some countries, non-local internal travel may require an internal passport, while international travel typically requires a passport and visa. Tours are a common type of travel. Examples of travel tours are expedition cruises, small group tours, and river cruises.
Safety
Authorities emphasize the importance of taking precautions to ensure travel safety.
When traveling abroad, the odds favor a safe and incident-free trip, however, travelers can be subject to difficulties, crime and violence.
Some safety considerations include being aware of one's surroundings, avoiding being the target of a crime,leaving copies of one's passport and itinerary information with trusted people, obtaining medical insurance valid in the country being visited and registering with one's national embassy when arriving in a foreign country. Many countries do not recognize drivers' licenses from other countries; however most countries accept international driving permits. Automobile insurance policies issued in one's own country are often invalid in foreign countries, and it is often a requirement to obtain temporary auto insurance valid in the country being visited.
It is also advisable to become oriented with the driving rules and regulations of destination countries. Wearing a seat belt is highly advisable for safety reasons; many countries have penalties for violating seatbelt laws.