New N700S cars will run from July 2020.

This article was written about 4 months ago.
photo by 日刊工業新聞

JR Central is testing the testing car of N700S and released its production-model will run from July 2020. According to their plan, 40 sets of N700S will be in service by the end of March 2023 (12 sets by March 2021, more 14 by March 2022 and more 14 by March 2023) with replacing existing N700A.

For more detail, see the Japanese text of this article.