Hello how may I help you? When does the NYC subway start today Okay. Let me check. The subways will start at 6 am today. Okay. Is there still construction on the Green line? Yes. But it will be completed tomorrow morning. Good. Is there any construction on the Red line? Okay. Let me check Okay. No. There is no on-going constructions there. Anything else? nope. Thank you You're welcome. Have a wonderful day.