A British consular report for 1904 stated that Mexico City and Torreon only were using electric traction, but that Guadalajara, Monterrey, Aguascalientes, Lagos, Colima, Vera Cruz and San Luis Potosi would soon be using it.
By San Luis Potosi and Zacatecas, and W.
Approximately its south border ran from a point slightly east of Tehuantepec to the bay of Honduras, and its north limit was that of the modern states of Michoacan and Guanajuato, then cutting across San Luis Potosi to a point just above Tampico.
Railway communication is provided by the Mexican National which crosses the northern end of the state, the Belgian line from Monterrey to Tampico, and a branch of the Mexican Central from San Luis Potosi to Tampico.
By San Luis Potosi and W.