Second Avenue Subway Phase 2

Project Overview

The Second Avenue Subway Phase 2 represents one of the most significant transit expansions in New York City's modern history. MetroTech Solutions is proud to serve as the lead contractor for this transformative project, which will extend the Q line northward from 96th Street to 125th Street.

Key Features

1.8 miles of twin-bore tunnels beneath Second Avenue
Two new underground stations at 116th and 125th Streets
Serves an estimated 300,000 daily riders
Connection to Metro-North at 125th Street
Full ADA accessibility throughout
State-of-the-art CBTC signaling systems

Project Details

Client

MTA Capital Construction

Value

$6.99 Billion

Duration

2024 - 2032

Status

Under Construction

Construction Milestones

Completed

January 2024

Contract awarded and project mobilization initiated. Site preparation and utility relocation commenced.

Completed

August 2025

Tunnel boring contract signed. TBM manufacturing and assembly underway.

In Progress

2027

Tunnel boring operations begin. Expected completion of 1.8 miles of twin tunnels by 2029.

Planned

2030

Station construction and systems integration. Track installation and testing phase.

Planned

2032

Revenue service begins. Phase 2 operational serving East Harlem and Harlem communities.

Technical Highlights

Advanced TBM Technology

Utilizing two 7.0-meter diameter Earth Pressure Balance (EPB) tunnel boring machines specifically designed for New York's complex geology.

Deep Station Excavation

125th Street station will be excavated 140 feet below street level, one of the deepest in the system, using sequential excavation method.

Seismic Resilience

Structures designed to modern seismic standards ensuring long-term durability and passenger safety.

Community Impact

Transforming Neighborhoods

The Second Avenue Subway Phase 2 will dramatically improve transit access for historically underserved East Harlem and Harlem communities, reducing commute times by up to 30 minutes for area residents.

The project creates over 3,000 construction jobs and supports local businesses through community outreach programs and local hiring initiatives.

MetroTech maintains ongoing dialogue with community boards, residents, and businesses to minimize construction impacts and maximize long-term benefits.