Japan National Route 15, National highway between Tokyo and Kanagawa Prefecture, Japan
Japan National Route 15 is a national road that runs approximately 29 kilometers through dense urban areas, connecting central Tokyo with the port city of Yokohama. The route passes through several important districts and serves as a central transportation artery between these two major urban centers.
This road was designated as a First Class National Highway on December 4, 1952, linking major commercial centers between Tokyo and Yokohama. Since then, it has developed into one of the most important transportation connections driving the economic integration of both cities.
The road passes through several Tokyo neighborhoods and shows how Japanese urban development has changed over time. Residents and visitors use this route daily to travel between different districts and experience the busy life of the city.
The route carries heavy daily traffic and connects with several other national roads at its starting point in Tokyo. Visitors and locals should prepare for high traffic density, especially during morning and evening rush hours.
Known locally as Dai-Ichi Keihin, this route is a continuous traffic corridor between Tokyo's financial district and Yokohama's industrial zones. For decades it has shaped the daily lives of millions of commuters and represents the economic link between both cities.
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