This article examines one of the nineteenth-century’s most revolutionary schemes for establishing a union of Mediterranean states. In 1832, Michel Chevalier set out a startling scheme that would bring to an end armed conflict in Europe through a confederation of European states and a subsequent alliance between Europe and the Ottoman Empire. His plan envisaged a vast infrastructure network of railways, canals, roads and shipping lanes that would link the major ports of the Mediterranean with Europe’s capital cities and those of the Ottoman and Russian Empires. The infrastructure network at the heart of Chevalier’s Système de la Méditerranée was conceived by him as the basis for a system of economic integration that would foster political ha...