Travel can include relatively short stays between successive movements. The origin of the travel is most likely lost to history. The term travel may originate from the Old French word travail, according to the Merriam Webster dictionary, the first known use of the word travel was in the 14th century. It states that the word comes from Middle English travailen, travelen, in English we still occasionally use the words travail, which means struggle. According to Simon Winchester in his book The Best Travelers Tales and this link may reflect the extreme difficulty of travel in ancient times. Today, travel may or may not be much easier depending upon the destination you choose, how you plan to get there, theres a big difference between simply being a tourist and being a true world traveler, notes travel writer Michael Kasum. This is, however, a distinction as academic work on the cultures. Travel may occur by human-powered transport such as walking or bicycling, or with vehicles, such as transport, trains.
In some countries, non-local internal travel may require a passport, while international travel typically requires a passport. A trip may be part of a round-trip, which is a type of travel whereby a person moves from one location to another. Once difficult and dangerous, travel has tended to become easier, the evolution of technology such as horse tack and bullet trains has contributed to this trend. While travel in the Middle Ages offered hardships and challenges, it loomed large in the economy, pilgrimages involved streams of travellers both locally and internationally. Travel by water provided more comfort and speed than land-travel - at least until the advent of a network of railways in the 19th century. Airships and airplanes usurped much of the role of surface travel in the twentieth century. Authorities emphasize the importance of taking precautions to ensure travel safety, when traveling abroad, the odds favor a safe and incident-free trip, travelers can be subject to difficulties and violence.
Many countries do not recognize drivers licenses from other countries, however most countries accept international driving permits, automobile insurance policies issued in ones 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 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