Schedules are unpublished and subject to change without notice. Vehicle maintenance does not meet the same standards as those in the United States or other Western countries. There is regular passenger train service from Khartoum to Wadi Halfa and Port Sudan. Inter-city bus service between major cities is regular and inexpensive. Intra-city bus service in the major urban areas is generally regular, but most buses and bus stops are unmarked.
Taxis are available in the major cities at hotels, tourist sites and government offices.
Most rural communities in the interior have no public transit. U.S. citizens are subject to the laws of the country in which they are traveling. Traffic laws and custom in Sudan are substantially different from those in the United States. In Sudan, one drives on the right side of the road. There is no government agency specifically responsible for road safety, nor is there any regime to regularly inspect vehicle maintenance or safety.