WEEKDAYS (MONDAY - SATURDAY) 05:30hrs - 23:00hrs CORRIDOR - 1 (BLUE LINE) WIMCO NAGAR ↔ AIRPORT (via TOLLGATE, WASHERMENPET, CENTRAL, AGDMS, ALANDUR) Departure Time of First train Departure Time of Last train Non peak hour Frequency Peak hour Frequency From Airport : 05:30 Hrs From Airport : 23:00 Hrs 0530-0800Hrs,1100-1600Hrs & 2000- 0800-1100Hrs & 1600-2000Hrs 2200Hrs Every 10 mins Every 5 mins From Wimco Nagar : 05:27 Hrs From Wimco Nagar : 22:57 Hrs 2200-2300Hrs Every 15 mins INTER-CORRIDOR CHENNAI CENTRAL ↔ AIRPORT (via EGMORE, CMBT, ALANDUR) Departure Time of First train Departure Time of Last train Non peak hour Frequency Peak hour Frequency From Chennai Central : 05:39 Hrs From Chennai Central : 22:59 Hrs 0530-0800Hrs,1100-1600Hrs & 2000- 0800-1100Hrs & 1600-2000Hrs 2200Hrs Every 20 mins Every 10 mins From Airport : 05:33 Hrs From Airport : 22:53 Hrs 2200-2300Hrs Every 30 mins CORRIDOR - 2 (GREEN LINE) CHENNAI CENTRAL ↔ ST. THOMAS MOUNT (via EGMORE, CMBT, ALANDUR) Departure Time of First train Departure Time of Last train Non peak hour Frequency Peak hour Frequency From Chennai Central : 05:29 Hrs From Chennai Central : 23:19 Hrs 0530-0800Hrs,1100-1600Hrs & 2000- 0800-1100Hrs & 1600-2000Hrs 2200Hrs Every 20 mins Every 10 mins From St. Thomas Mount : 05:28 Hrs From St. Thomas Mount : 23:13 Hrs 2200-2300Hrs Every 30 mins NOTE : Headway from Central ↔ Alandur (via CMBT) during peak hours, Non peak hours and Extended Non peak hours are maintained 5 mins, 10 mins and 15 mins respectively. SUNDAY / HOLIDAYS 07:00hrs - 22:00hrs CORRIDOR - 1 (BLUE LINE) WIMCO NAGAR ↔ AIRPORT (via TOLLGATE, WASHERMANPET, CENTRAL, AGDMS, ALANDUR) Departure Time of First train Departure Time of Last train Non peak hour Frequency Peak hour Frequency From Airport : 06:58 Hrs From Airport : 21:58 Hrs 0700-2200Hrs No Peak Hour Service Every 10 mins From Wimco Nagar : 06:54 Hrs From Wimco Nagar : 22:04 Hrs INTER-CORRIDOR CHENNAI CENTRAL ↔ AIRPORT (via EGMORE, CMBT, ALANDUR) Departure Time of First train Departure Time of Last train Non peak hour Frequency Peak hour Frequency From Chennai Central : 07:00 Hrs From Chennai Central : 22:00 Hrs 0700-2200Hrs No Peak Hour Service Every 20 mins From Airport : 06:56 Hrs From Airport : 21:56 Hrs CORRIDOR - 2 (GREEN LINE) CHENNAI CENTRAL ↔ ST. THOMAS MOUNT (via EGMORE, CMBT, ALANDUR) Departure Time of First train Departure Time of Last train Non peak hour Frequency Peak hour Frequency From Chennai Central : 07:11 Hrs From Chennai Central : 21:51 Hrs 0700-2200Hrs No Peak Hour Service Every 20 mins From St. Thomas Mount : 06:51Hrs From St. Thomas Mount : 22:11 Hrs NOTE : Headway from Central ↔ Alandur (via CMBT) are maintained 10 mins..