Where is the new
Green Line train?

Found 3!

🚂 Westbound Green-D train #3909 in transit to Kenmore Station - Outbound

🚂 Westbound Green-D train #3922-3918 incoming at Brookline Village Station - Outbound

🚂 Eastbound Green-B train #3900-3901 stopped at Allston St - Inbound