In the Edo period, a Kido was set up in each town, and it was made to be a police. Because it is the entrance of Edo, Takanawa is called Ookido, and the traveler prepares the traveling wearing, and it has been also here to be given a ride. The stone wall is left on the railroad side of the first Keihin. In order to make an accurate Japan map, I walked across the country by pushing the surveying car which I devised by myself for 17 years, beginning with "Takanawa Daikido" as a starting point. Kanemasa 12 (1800) on April 19 at the age of 55. Three years after Tadataka died at the age of 74, the map was completed and presented to the shogunate by the hands of his disciples. It was discovered to bring this map out of the country, and it was Siebold to be deported.