Updated On: 20 May, 2025 08:50 AM IST | Mumbai | Rajendra B. Aklekar
While the Green Line 4 — from Wadala to Kasarvadavli — is a 32.32-km elevated corridor in the eastern suburbs with 30 stations, Line 4A is its 2.7-km extension from Kasarvadavli to Gaimukh, which comprises two stations and is nearly complete.

Metro Green Line as seen from Ghodbunder Road in Thane West
Train trials will begin on a 10.5-km stretch that contains a total of ten stations on the Wadala-Thane Green Lines 4 and 4A in August.
While the Green Line 4 — from Wadala to Kasarvadavli — is a 32.32-km elevated corridor in the eastern suburbs with 30 stations, Line 4A is its 2.7-km extension from Kasarvadavli to Gaimukh, which comprises two stations and is nearly complete.