On our site, I investigated wooden roof truss of Tokyo station that were built at war damage reconstruction. It became clear that the wooden roof truss is ‘Modern wood truss’ studied and developed in 1930-1945 age before and during World War II. In this paper, the form materials and the joining method of the wooden roof truss are made clear. In addition, it was clear about engineer who was concerned the wooden roof truss construction of Tokyo station.
