Normally there's at least 1 WestinghouseAmrail R68 or R68A is borrowed from the B line for the to use for PM RUSH HOUR service to the Rockaways but now after June 2024 this will no longer be a thing since there's plenty of Kawasaki R211 Subway Cars to displace that run; or the R179 next in line is the R46 Subway once that's gone then the longest Subway Line in the system will entirely New Tech Fleet. I managed to get some footage of the R68A, R46 and R211 in this video on the dawn of May 6th , 2024.