6Western Pennsylvania's infrastructure is renowned for traversing valleys, mountains, rivers and everything in between. Early surveying in the region delineated state and local boundaries that allowed for the mapping of canals, railroads and roadways. Engineers developed bridges, ground transportation systems and airports that linked Pittsburgh to the world. Frequently overflowing rivers transformed into reliable navigation passageways. Drinking water and wastewater treatment systems allowed development and population to flourish, leading to investments in iconic buildings. Join expert civil engineers and professionals as they narrate the story of Pittsburgh and the surrounding region's engineering triumphs.