Chennai Mass Rapid Transit System
Construction and opening

Chennai Mass Rapid Transit System

Section Title: Construction and opening
Table Section Text: None

Phase	Length	Route	Stations	Opening Date	Completion Cost	Alignment Details

Phase I	8.55 km (5.31 mi)	Chennai Beach—Thirumayilai	8	19 October 1997	₹ 2,690 million	The alignment from Chennai Beach to Park Town is along the existing broad-gauge suburban system (2.75 km (1.71 mi), surface); alignment from Park Town to Thirumayilai is along the Buckingham canal (6.21 km (3.86 mi), elevated).

Phase II-A	11.376 km (7.069 mi)	Thirumayilai—Velachery	9	19 November 2007	₹ 7,690 million	Alignment is along the Buckingham canal from Thirumayilai to Thiruvanmiyur beyond which it deviates towards west, away from the canal—9.614 km (5.974 mi) elevated and 1.762 km (1.095 mi) surface line.

Phase II-B (Phase II Extension)	5 km (3.1 mi)	Velachery—St. Thomas Mount	3	March 2019	N/A	Fully elevated. The proposed alignment of the initial 3.585 km (2.228 mi) from Velachery is chiefly along the Inner Ring Road (IRR).

Phase III	16.76 km (10.41 mi)	St. Thomas Mount—Villivakkam	10	N/A	N/A	The alignment from St. Thomas Mount to Villivakkam has been cancelled, as the Chennai Metro is intended to follow a similar alignment.

Phase IV	50 km (31 mi)	Perungudi—Kalpakkam	20	N/A	N/A	This will extend MRTS from Perungudi to Kalpakkam via Sholinganallur, Navalur, Kelambakkam and Mahabalipuram. In Kalpakkam, the line will join the proposed Chengalpattu—Kalpakkam—Pondicherry—Cuddalore line.

Sentence(s)

When the first phase between Chennai Beach and Thirumyilai opened in 1997, the project cost ₹ 2,690 million.

final_sentence: When the first phase between Chennai Beach and Thirumyilai opened in 1997, the project cost ₹ 2,690 million.