日本新干线小山综合试验线,坐落在小山地区,是建设中的东北新干线的一部分区间(久喜—石桥间约40公里)。这条试验线用来试验防噪音、防振措施,改进安全防护、故障时对策,开展新技术探讨等,它于1977年底建成。1978年5月,在滨松工厂全面调试完毕后的961型试验动车在此试验线上作了各种试验。后来,根据新干线15年 Japan Shinkansen Hill comprehensive test line, located in the hills, is part of the Northeast section of the Shinkansen under construction (Kuki - Ishibashi about 40 km). This test line is used to test anti-noise, anti-vibration measures, improve safety and protection, fault countermeasures, to explore new technologies, which was completed by the end of 1977. In May 1978, after the full commissioning of the Hamamatsu Plant, the Model 961 test car made various tests on this test line. Later, according to Shinkansen 15 years