CMRL to buy three more TBMs for delayed Phase II tunnels — ₹180 crore
Underground desk — why shafts, not just machines, decide when a TBM can move.
Extra tunnel boring machines will go to Thiruvanmiyur–Taramani, Thousand Lights–Anna Flyover, and Mandaiveli–Thirumayilai. Corridor 3 has 19.68 km of 43.04 km tunnelled.
CMRL to buy three more TBMs for delayed Phase II tunnels — ₹180 crore — Mobility, Chennai local news
Location
Saidapet · Guindy · Alandur
Published
10 Aug 2026
Topic
Mobility
Primary source
The Hindu — additional TBMs, 10 Aug 2026
Status
Published & verified editorial
What we know
History
TBM Nilgiri (S96) broke through at Moolakadai on 5 August (24th Phase-II breakthrough). Buying more machines does not skip shaft construction, utility shifting, or ground-settlement limits under Buckingham Canal and arterial roads.
Sources
What this means in Chennai
Local impact, institutions, and what residents should watch next.
Surface pain
More TBMs can mean more night work, grout trucks, and traffic diversions in Taramani, Anna Salai, and Mylapore–Mandaveli. Ask CMRL’s traffic updates before you trust a peak-hour ETA.
Related reading
Official sources
This page is an editorial rephrase and analysis based on publicly reported information. Read the original source for full context.
FAQ
No. They are meant to recover delayed Corridor 3 tunnelling over coming months. Station shafts and systems work still sit on the critical path.
Explore the site
More from mychennaicity.in
Chennai today, local news, jobs, events, gold rate, and a moderated WhatsApp community — one city desk.
- Chennai today60-second morning card
- WhatsApp communityModerated Chennai updates
- Chennai local newsCivic desk & neighbourhood stories
- Afford this areaTake-home vs rent check
- Jobs in ChennaiOpen roles across the city
- Which Chennai are you?Playful neighbourhood quiz
New here? How to use mychennaicity.in — guides for residents, job seekers, admins, and more.
Promote your business to Chennai readers
Get visibility across local news, events, jobs and area pages.
Reader group: The my chennai city reader group — short updates and civil discussion, same standards as the site. Opens WhatsApp after you tap.
Tip the Chennai desk
Spotted something we should look at — safety, civic works, consumer rip-offs, or a human story? A short message is enough; links and dates help.
