Running only between large cities, the best and most efficient service is a ferrobus , which is comprised of two first-class carriages. Regular trains have First and Pullman-class tickets available, as well as accommodations for both daytime and overnight travel. Advanced booking of train tickets is only necessary around the Christmas season. Long delays are not uncommon, especially during the rainy season between December and February. Flights between cities is the preferred mode of domestic transportation.
Plane tickets are inexpensive and more comfortable than long train rides.
Communication National and international telephone and cable services are available in La Paz and other major cities. Direct dialing is available between the cities of La Paz, Santa Cruz, Cochabamba, Oruro, Tarija, Potosi and Sucre. Many business establishments operate telex machines. Direct dialing to the U.S. and most other countries is available. Pay telephones can be found in many cities, however, travelers experience difficulty using tokens to operate them.