NYC Subway HD Audio: Alstom OptONIX AC Traction Motor IGBT Inverter Sounds on The R211A (3/15/23)

READ: More Alstom model 4 ECA 1625 A alternating current traction motor sounds! Rockaway Boulevard to Beach 60th Street, followed by 59th Street - Columbus Circle to Jay Street - Metrotech. Those HVAC sounds are deafening when the fans kick on lol (coming into High St). Enjoy =) 0:00 - Rock BLVD to B60 17:30 - 59th - Columbus Circle to Jay St - Metrotech