The Helsinki Metro opened to the public, becoming the first rapid transit system in Finland. It was a significant milestone in the city's development and transportation planning, as Helsinki sought to modernize its urban infrastructure to keep pace with growth and enhance mobility. The metro network initially spanned a journey of approximately 21 kilometers, connecting the suburban areas with the city center and offering a more efficient travel option compared to buses and trams, which had dominated transport previously. The system featured 17 stations, designed with contemporary architecture and advanced safety technology, showcasing Finland's commitment to modern urban living.

In conjunction with the metro's opening, there was a broader vision for comprehensive public transport integration in Helsinki, including feeder bus lines and improved pedestrian accessibility. The system was designed not only to meet the immediate transportation needs but also to promote urban development and sustainability. The launch attracted a significant crowd of public officials, citizens, and media coverage, signaling the project's importance to the city’s future. The excitement was palpable as residents rode the train for the first time, many expressing pride in their city’s progress.

The inception of the Helsinki Metro also inspired other Finnish cities to consider similar solutions to their urban transport challenges, thereby influencing national and public transport policies across the country. The metro has since become a vital component of Helsinki's public transport network, continually undergoing expansions and upgrades to meet the needs of the city's growing population.