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 — 2026-10-11 (Sunday)

Thread: https://x.com/ungalsoththu/status/2109125406787793200

Items (last 24h)

  1. [CMRL] Chennai Metro Phase 2's first stretch — Poonamallee Bypass–Vadapalani, 14.6 km, 11 stations, ~₹4,900 crore, incl. a 3.7-km double-decker structure — inaugurated today (Oct 11); PM Modi and CM ride the first train ~11:30 am; first operational section of the 118.9-km Phase 2. Timeline: trial run Porur Jn–Vadapalani Jan 2026 → CRS conditional approval Feb 2026 → final authorisation May 2026. — The Hindu, Oct 11: https://www.thehindu.com/news/national/tamil-nadu/pm-modi-to-launch-chennai-metro-rail-phase-2-to-share-ride-with-tamil-nadu-cm-vijay/article71568212.ece (cost/double-decker/driverless-ready signalling per PM India release: https://www.pmindia.gov.in/en/news_updates/pm-to-visit-chennai-on-11-october)

  2. [CMRL] Reported: fare chart for the new 14.64-km stretch is ₹10–₹40. — Puthiya Thalaimurai, Oct 10 (snippet-verified): https://www.threads.com/@puthiyathalaimurai/post/DeT2VvxEk8t

  3. [MTC] From today, MTC operates last-mile feeder buses from bus stops near all 11 Phase II stations (Poonamallee Bypass–Vadapalani); signage installed at all 11 stations; MTC+CMRL to explore additional feeders based on demand. — The Hindu, Oct 10: https://www.thehindu.com/news/cities/chennai/mtc-to-operate-last-mile-connectivity-buses-along-chennai-metro-rails-poonamallee-vadapalani-stretch/article71567731.ece

  4. [SR] Chengalpattu–Tambaram 4th line (30.2 km) to be built in phases; phase 1 = 21.5 km Chengalpattu–Guduvanchery at ₹273 crore; total project cost expected to rise from ₹713.56 cr to ₹756 crore. The Chengalpattu–Guduvanchery section runs at 87% line capacity utilisation, projected 136% by project completion without the 4th line; 236 services/day on Chennai–Chengalpattu carry ~5 lakh daily passengers; expected +25% line capacity. — New Indian Express, Oct 10: https://www.newindianexpress.com/cities/chennai/2026/Oct/10/southern-railway-to-build-21-km-fourth-line-between-chengalpattu-guduvanchery-in-first-phase

  5. [GCTP] Traffic diversions today (Oct 11) 8 am–4:30 pm for the PM's visit — heavy/commercial vehicles diverted at GST Rd, Mount Poonamallee Rd, OMR points; MTC bus movement affected at Porur during Saturday's convoy rehearsal. — The Hindu, Oct 10: https://www.thehindu.com/news/cities/chennai/pm-modis-chennai-visit-traffic-diversions-on-october-11/article71567398.ece

Dropped: CUMTA Model Urban Mobility Corridors Phase 2 (NIE/DT Next, Oct 8 — outside 24h window); CUMTA GPS-data tender (Urban Acres, Oct 9 — already posted in the 2026-10-10 brief).

Tweets as posted

  1. 🚇 Chennai transit brief — Sunday, Oct 11: 5 items from the last 24h. Phase 2's first stretch opens today. இது உங்கள் சொத்து — your city, your data. 🧵 #ChennaiTransit #ChennaiMetro → 2109125406787793200
  2. [CMRL] 🚇 14.6 km, ~₹4,900 crore: Phase 2's first stretch — Poonamallee Bypass–Vadapalani, 11 stations — opens today, 6 years after work began. PM & CM ride the first train ~11:30 am. — The Hindu, Oct 11 https://www.thehindu.com/news/national/tamil-nadu/pm-modi-to-launch-chennai-metro-rail-phase-2-to-share-ride-with-tamil-nadu-cm-vijay/article71568212.ece #ChennaiMetro → 2109125429718036784
  3. [CMRL] 🎫 Reported: fare chart for the new 14.64-km stretch: ₹10–₹40 across 11 stations. The rider test starts now — can bus feeder + metro fare beat two-wheeler + petrol? — Puthiya Thalaimurai, Oct 10 https://www.threads.com/@puthiyathalaimurai/post/DeT2VvxEk8t #ChennaiMetro → 2109125463276650840
  4. [MTC] 🚌 From today: last-mile feeder buses from stops near all 11 Phase II stations (Poonamallee Bypass–Vadapalani). Signage up at every station; more feeders if commuter demand proves it. — The Hindu, Oct 10 https://www.thehindu.com/news/cities/chennai/mtc-to-operate-last-mile-connectivity-buses-along-chennai-metro-rails-poonamallee-vadapalani-stretch/article71567731.ece #MTC → 2109125498437546063
  5. [SR] 🚉 Chengalpattu–Tambaram 4th line: phase 1 (21.5 km to Guduvanchery) at ₹273 cr; full 30.2 km ~₹756 cr. Section at 87% capacity today, 136% projected without it. — New Indian Express, Oct 10 https://www.newindianexpress.com/cities/chennai/2026/Oct/10/southern-railway-to-build-21-km-fourth-line-between-chengalpattu-guduvanchery-in-first-phase #SuburbanRail → 2109125532893720993
  6. [GCTP] 🚧 Today 8 am–4:30 pm: PM-visit diversions — heavy vehicles off GST Rd, Mount Poonamallee Rd, OMR stretches; MTC buses already disrupted at Porur in Saturday's convoy rehearsal. Plan ahead. — The Hindu, Oct 10 https://www.thehindu.com/news/cities/chennai/pm-modis-chennai-visit-traffic-diversions-on-october-11/article71567398.ece → 2109125561092124832
  7. Recap: Phase 2's first 14.6 km opens; fare chart ₹10–40; MTC feeders at 11 stations; suburban 4th line tendered (₹273 cr phase 1); diversions till 4:30 pm. Riders paid for this network — hold it to account. Follow @UngalSoththu daily. #உங்கள்சொத்து → 2109125585590956237