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Project

Port Authority Bus Terminal Replacement

Full-scope subsurface investigation and restoration services supporting one of the largest bus terminal replacement efforts in North America.

CLIENT
Port Authority of New York and New Jersey
LOCATION
Midtown Manhattan, NY
YEAR
2024–25
STATUS
Active
SECTOR
TRANSIT
INFRASTRUCTURE
The Challenge

Delivering a full field investigation and restoration program inside a fully operational transportation hub in the heart of Midtown Manhattan.

PABT is the busiest bus terminal in the Western Hemisphere. The Replacement Program is being executed while the existing facility continues full revenue operation — which means every field activity has to move in and out without interrupting passenger flow, bus operations, or surrounding street traffic.

The subsurface beneath and around the terminal is among the densest in New York: subway infrastructure, water mains, steam, gas, electric, and telecom all compete for the same real estate. Design teams needed investigation-grade data from that environment, delivered cleanly.

Every work zone had to be handed back restored — sidewalks whole, concrete finished, traffic patterns intact — within the same window it was taken.

The Approach

A full-scope, self-performing field program. One team, every phase.

Borings, geophysical investigation, test pits, coring, earth moving, and full restoration — all executed by a single operational team. That continuity is what makes this kind of program work in a corridor this sensitive.

Work windows were engineered around terminal operations and Midtown traffic peaks, with night and weekend execution where the site demanded it. Material transport logistics were pre-staged so every mobilization landed clean.

Restoration followed on the same footprint the same shift: when we left a work zone, it was whole. No open cuts. No pending punchlist hanging over PANYNJ.

Outcome

Design data delivered. Terminal operations untouched. Every footprint restored whole.

The Replacement Program continues to advance with Seylone retained across multiple phases of field work.

Design teams have received investigation-grade data from a corridor where it is genuinely hard to collect. PANYNJ has received clean, restored work zones on every handback. No disruption to terminal operations. No open punchlist.

The engagement has positioned Seylone as a trusted self-performing field partner on one of the most operationally sensitive infrastructure programs in New York.

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