Ponciano Arriaga International Airport serves the city.
The city's transportation consists of a public system based on urban buses that move throughout the metropolitan area. Besides the public transportation, the city contains one of the highest concentrations of Taxis. Ponciano Arriaga International Airport is the city's main airway point. It is located around 17 km from the city's downtown, and it is the state's most important airway terminal.
According to a Friday, March 30, 2012 online Associated Press news article in the online edition of the Peoria, Illinois-based Peoria Journal Star,: "The logistics subsidiary of Caterpillar Inc. (which is based in Peoria), the world's largest maker of construction and mining equipment, said Friday it opened a parts distribution center in San Luis Potosi, Mexico. The 500,000-square-foot facility will employ up to 150 people and is expected to start operating in the middle of next year. The city has access to major airports and a rail hub, and is at the crossroads of major highways. Caterpillar said the opening is the first of many investments planned to enhance its parts distribution operations in Central and South America. The facility in Mexico will be the sixth new parts distribution
