Thane-Borivali Twin Tunnel: What It Could Mean for Homes in Thane and the Western Suburbs

An 11.85 km road tunnel under Sanjay Gandhi National Park is being bored to link Thane and Borivali. Where it stands, and how buyers and owners should think about it.

Epsilon and Astron residential towers in Thakur Village, Kandivali East, Mumbai

Getting from Thane to Borivali today means going around Sanjay Gandhi National Park. The Thane-Borivali twin tunnel, being built by MMRDA, is designed to go under it.

Project at a glance

Detail	Reported figure
Length	About 11.85 km, beneath Sanjay Gandhi National Park
Design	Twin-tube road tunnel, 12.89 m outer diameter
Cost	About Rs 18,800 crore (reported as Rs 188 billion)
Tunnel boring machines	Four hard-rock TBMs
Expected time saving	40 to 45 minutes

A July 2026 industry report said excavation was progressing at about 10 to 11 metres a day. It didn't give a completion date, so treat any date you see in a brochure with caution.

Who could benefit

Thane residents working in the western suburbs, and the reverse.
Borivali and Kandivali homes, if the tunnel makes Thane's job hubs and Ghodbunder Road easier to reach.
Ghodbunder Road and Manpada areas closer to the Thane end.

Buy for what a location offers today. Treat new infrastructure as a possible bonus, not the reason to buy.

How to think about it as a buyer

Buy for today's commute. Big tunnels take years, and timelines move.
Don't pay a premium for an unfinished road. If a seller prices in the tunnel, ask what the flat is worth without it.
Check the exact entry and exit points. Benefits are usually concentrated near access points.
Consider construction disruption near work sites in the meantime.

For landlords

Tenants choose on today's commute. Price your rent on current travel times and nearby amenities. If commutes improve once the tunnel opens, you can revisit rent at renewal.

Frequently asked questions

When will the Thane-Borivali tunnel open?

The reports we reviewed did not give a firm completion date. Check MMRDA updates for the latest position.

How much time will it save?

About 40 to 45 minutes, as reported.

Related reading

Looking at Thane or Borivali? See Live Listings.

Sources

Indian Infrastructure: MMRDA tunnelling projects (July 2026)

General information, not investment advice.

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