The Pennsylvania Department of Transportation, commonly known as PennDOT, is a government agency responsible for maintaining and improving the transportation system in the state of Pennsylvania. This includes overseeing the construction and maintenance of roads, bridges, and public transit systems. PennDOT also manages vehicle registration and driver licensing services for residents. In addition to infrastructure, PennDOT focuses on promoting safety and efficiency in transportation. The agency conducts research, implements traffic safety programs, and provides resources for sustainable transportation options. Through these efforts, PennDOT aims to enhance mobility and support economic growth across the state.