NYC Subway: R211A 4115-4119 & 4135-4139 AAS Software Update Test Train

Here we see R211As 4115-4119 & 4135-4139 performing a software update test along the A Line. You can hear it playing some sort of Automated Announcement announcing that it is a test train. Enjoy! Follow me on Instagram for more content:   / thetransitproductions