UNGALSOTHTHUஉங்கள் சொத்து
Public transit and urban infrastructure, examined with open data — in the public interest. Chennai & Tamil Nadu: MTC, CMRL, suburban rail, CUMTA, TNSTC, SETC.
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Daily Transit Brief — 2026-09-11 (Fri)

[SR]/[CMRL] Thread posted to @UngalSoththu at ~09:10 IST. 4 items from the last 24h (Sep 10 09:00 – Sep 11 09:00 IST). Thin news day — all rail; MTC/CMRL bus-side quiet.

Items

  1. [SR] Perani Yard engineering works (Chennai Egmore–Villupuram section): Train 66045 Tambaram–Villupuram MEMU & 66046 Villupuram–Chennai Beach MEMU partially cancelled on Sep 10; Train 17656 Puducherry–Kacheguda Express regulated +30 min en route. — Southern Railway (official FB), Sep 10 — https://www.facebook.com/SouthernRly/posts/due-to-ongoing-engineering-works-at-perani-yard-in-the-chennai-egmore-villupuram-/1402286908746699
  2. [SR] 5 suburban MEMU services cancelled on the Chennai–Gummidipoondi section (Sep 10). — Kumudam News 24x7 (X), Sep 10 — https://x.com/kumudamNews24x7/status/2097870208199475690 [Reported — snippet-level verification]
  3. [SR] Podanur–Dr MGR Chennai Central tri-weekly specials (06027/06028) augmented with additional coaches; revised composition 20 coaches, effective Sep 11. — Southern Railway @GMSRailway (X), Sep 10 — https://x.com/GMSRailway/status/2097965899936616893
  4. [CMRL] 900 m rock tunnel between Royapettah & Thousand Lights (Corridor 3, Phase 2) — ~1.5 years of work, billed a first in Chennai Metro's history; tunnelling expected to wrap next month (per The Hindu, Sep 7). — Zee Tamil News (X special story), Sep 10 — https://x.com/ZeeTamilNews/status/2098043319641412093 [Reported — snippet-level verification]

Considered, dropped: Tambaram 10→15 track terminal proposal + ₹19 cr amenity works (The Hindu — published Sep 8, outside 24h window); 250-bus flag-off incl. 130 AC e-buses, ₹290.08 cr (DT Next — Aug 25, recycled reels on Sep 10); CMRL Rs 35.97 cr PMC award to AECOM–Nippon Koei JV (DT Next — Sep 7, outside window); Chennai Metro Aug record 1.04 crore journeys (@whatchennai — Sep 5, outside window); Royapettah tunnelling standalone (The Hindu — Sep 7); auto-driver fare-revision protest (autos, not transit agency).

Tweets as posted

  1. 🚇 Chennai transit brief — Fri, Sep 11: 4 items from the last 24h. இது உங்கள் சொத்து — your city, your data. 🧵 #ChennaiTransit — https://x.com/ungalsoththu/status/2098256947036254303
  2. [SR] 🚉 Perani Yard works (Egmore–Villupuram): MEMU 66045 Tambaram–Villupuram & 66046 Villupuram–Beach partially cancelled today; Puducherry–Kacheguda Exp +30 min en route. — Southern Railway, Sep 10 [link] #SuburbanRail — https://x.com/ungalsoththu/status/2098256996608758135
  3. Reported: [SR] 🚉 5 suburban MEMU services cancelled on the Chennai–Gummidipoondi section today. — Kumudam, Sep 10 [link] #SuburbanRail — https://x.com/ungalsoththu/status/2098257039680016784
  4. [SR] 🚉 Podanur–Dr MGR Chennai Central tri-weekly specials (06027/06028) get extra coaches — now 20-car rakes — from today, Sep 11. — Southern Railway, Sep 10 [link] #SuburbanRail — https://x.com/ungalsoththu/status/2098257068712948121
  5. Reported: [CMRL] 🚇 900 m rock tunnel Royapettah–Thousand Lights (Corridor 3, Phase 2) — 1.5 yrs of work, billed a first in Chennai Metro's history; tunnelling wraps next month. — Zee Tamil News, Sep 10 [link] #ChennaiMetro — https://x.com/ungalsoththu/status/2098257107556466933
  6. All rail, no buses today — works season on the suburban network: 2 MEMUs cut, 5 more on the north line, Podanur specials up to 20 cars; CMRL clocks a 900 m rock-tunnel first. Follow @UngalSoththu for daily Chennai transit accountability. #உங்கள்சொத்து — https://x.com/ungalsoththu/status/2098257170152276460

Thread URL: https://x.com/ungalsoththu/status/2098256947036254303