By Steve Wittich Here is the 2023 NTT INDYCAR SERIES schedule. The first portion of this post is the release straight from the NTT INDYCAR SERIES, the second portion is some addition information put together by us. INDIANAPOLIS (Tuesday, Sept. 27, 2022) – INDYCAR has announced a 17-race schedule for the 2023 NTT INDYCAR SERIES…