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Timings shown are scheduled departures sourced from the official MTC website and verified by commuters; actual times may vary. TN Bus Stand is an independent platform and is not affiliated with MTC, TNSTC, SETC or any government body.

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Data updated September 2026

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121G

121G bus route: K.Kannadasan Nagar to Koyambedu – MTC Chennai bus timings

Route 121G

K.KANNADASAN NAGARKOYAMBEDU

MTC VerifiedNight service
11Stops
94Daily trips
04:30First bus
22:25Last bus

Scheduled departures from MTC. Actual times may vary.

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Direction

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Departures

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At the stop

Scheduled to depart 05:00 from K.KANNADASAN NAGAR

Stops along this route

K.KANNADASAN NAGAR → KOYAMBEDU

  1. K.KANNADASAN NAGAR

    05:00
  2. SIDCO

    —
  3. MOOLAKADAI

    —
  4. MADHAVARAM

    —
  5. BUS BAY-17TH KM

    —
  6. MALLIGAI NAGAR AVE

    —
  7. WATER PIPE THATHANKUPPAM

    —
  8. WHEELS INDIA RD.JN.

    —
  9. THIRUMANGALAM

    —
  10. KOYAMBEDU SCHOOL

    —
  11. KOYAMBEDU

    —
Every 15–25 min during peak · 94 daily trips Night service
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MTC Official data. Timings are scheduled departures (last updated September 2026); actual departure may vary with traffic.

What is the MTC 121G bus route?

The 121G is an MTC bus route in Chennai that runs between K.Kannadasan Nagar and Koyambedu, covering 11 stops. Key stops along the way include Madhavaram, Malligai Nagar Ave and Thirumangalam.

What time is the first and last 121G bus?

The first 121G bus departs at 04:30 and the last at 22:25. MTC operates 94 trips a day on this route.

Does the 121G bus run at night?

Yes. Route 121G has MTC night service in addition to its daytime trips.

MTC route data verified September 2026; corrections from local commuters.

Key stops on route 121G

  • First stopK.Kannadasan Nagar
  • Major stopMadhavaram
  • Major stopMalligai Nagar Ave
  • Major stopThirumangalam
  • Last stopKoyambedu

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