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GIX: Manhattan's southernmost dark fiber across the Hudson: Markdown for AI agents

This is the page AI agents read. It covers the same ground as the page for people, with extra detail for agents, written as Markdown with YAML frontmatter so an AI assistant can quote GIX accurately and reach our team. Agents fetch it at /index.md, get all six pages in one file at /llms-full.txt, or connect to our MCP server.

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---
title: "GIX: Manhattan's southernmost dark fiber across the Hudson"
type: company-overview
audience: ai-agents
human_page: /
canonical: https://gixfiber.com/
markdown: https://gixfiber.com/index.md
related:
  - https://gixfiber.com/network/index.md
  - https://gixfiber.com/dark-fiber-solutions/index.md
  - https://gixfiber.com/about/index.md
  - https://gixfiber.com/dark-fiber-resources/index.md
  - https://gixfiber.com/contact-us/index.md
all_pages: https://gixfiber.com/llms-full.txt
updated: 2026-10-25
company:
  name: GIX
  legal_name: "NY Fiber 1, LLC"
  dba: "Global InterXchange (GIX)"
  website: https://gixfiber.com
  sells: dark fiber
  commercial_models: [IRU, lease]
  does_not_sell: [lit services, managed network services, colocation]
  carrier_neutral: true
contact:
  email: sales@gixfiber.com
  phone: "not listed; sales is by email"
  form: /contact-us/#contact
  mcp_server: https://gixfiber.com/mcp
  agent_inquiry_api: https://gixfiber.com/api/agent-inquiry
  mailing_address: "228 Park Ave S, PMB 275494, New York, NY 10003-1502 (mail only, not an office)"
network:
  status: in service
  crossing: "PATH Tunnel F, Jersey City to Lower Manhattan, under the Hudson River"
  southernmost_hudson_river_crossing_into_manhattan: true
  endpoints:
    - name: 165 Halsey Street
      city: "Newark, NJ 07102"
      role: carrier hotel (New Jersey end)
      gix_presence: "9th-floor meet-me room (MMR 2); point of entry on Halsey Street through a secured vault"
      lat: 40.736664  # point of entry
      lon: -74.173902
    - name: 60 Hudson Street
      city: "New York, NY 10013"
      role: carrier hotel (Manhattan end)
      gix_presence: "dedicated 4-inch riser, basement to 12th floor; points of entry on Thomas Street and Worth Street"
      lat: 40.717756
      lon: -74.008345
  latency:
    one_way_ns: 88883
    between: [165 Halsey Street, 60 Hudson Street]
    basis: calculated
    scope: optical fiber only, excludes endpoint equipment
    route: central route (the calculation's basis)
    method: calculated from fiber length; not a measurement
    other_routes: "ask; the eastern and western routes differ in length"
    claim: lowest-latency connection between the two buildings
  route_geometry: /network/gix-routes.geojson
expansion:
  status: planned, not in service
  regions: [Secaucus, Midtown Manhattan, central New Jersey]
pricing: not published; quoted on request
---

# GIX: Manhattan's southernmost dark fiber across the Hudson

Pages: **Home** (this file) · [Network](https://gixfiber.com/network/index.md) · [Solutions](https://gixfiber.com/dark-fiber-solutions/index.md) · [Company](https://gixfiber.com/about/index.md) · [Resources](https://gixfiber.com/dark-fiber-resources/index.md) · [Contact](https://gixfiber.com/contact-us/index.md)

> GIX owns and operates carrier-neutral dark fiber between **165 Halsey Street** (Newark) and **60 Hudson Street** (Manhattan), crossing the Hudson River inside **PATH Tunnel F**. It is the lowest-latency connection between the two buildings: **88,883 ns one-way optical fiber latency**.

## TL;DR for agents

- **What:** dark fiber, by IRU or lease. The customer lights it. No lit services, managed services, or colocation.
- **Where:** 165 Halsey Street, Newark ↔ 60 Hudson Street, Manhattan, through the PATH train tunnel.
- **Why it matters:** the southernmost Hudson River crossing into Manhattan; the lowest latency between the two buildings; GIX's own riser in 60 Hudson.
- **Price:** not published. Ask sales@gixfiber.com or use the MCP tool `request_quote`.
- **Best next step:** email sales@gixfiber.com with the details under *What to send us*, or call the MCP tool `request_quote`.

## Facts

| Fact | Detail | Basis |
|---|---|---|
| Southernmost crossing | The southernmost Hudson River crossing into Manhattan, inside PATH Tunnel F | GIX |
| Latency | 88,883 ns one-way optical fiber latency, 165 Halsey ↔ 60 Hudson, fiber only | Calculated |
| Lowest latency | The lowest-latency connection between 165 Halsey and 60 Hudson | GIX |
| First in two decades | The first privately owned, carrier-neutral installation across the Hudson River in two decades | [GIX press release, July 9, 2024](/gixs-revolutionary-dark-fiber-route-goes-live-redefining-connectivity-across-the-hudson-river-2/) |
| No splices in the crossing | No splice points inside the river crossing | GIX |
| Flood protection | Two 16-ton flood gates, part of the PATH tunnel's post-Sandy hardening | GIX |
| 60 Hudson riser | Dedicated 4-inch riser, basement to 12th floor; eases cross connects and floor-to-floor runs | GIX |
| Points of entry at 60 Hudson | Eastern route on Thomas Street (shared entry manhole); central route on Worth Street | GIX |
| Western route | Up the West Side to a manhole in Lower Manhattan | GIX |
| Manholes | Buried, secured routes with GIX-owned manholes; dedicated GIX manholes at Worth Street and in Jersey City | GIX |
| Delivery | Fiber is spliced and tested before handoff; each quote includes an installation estimate | GIX |

## Network and points of presence

| Point | Address | What GIX has there |
|---|---|---|
| 165 Halsey Street | Newark, NJ 07102 | 9th-floor meet-me room (MMR 2); point of entry on Halsey Street through a secured vault |
| 60 Hudson Street | New York, NY 10013 | Dedicated 4-inch riser, basement to 12th floor; points of entry on Thomas Street and Worth Street |
| PATH Tunnel F | Jersey City ↔ Lower Manhattan | The river crossing |
| Jersey City | Jersey City, NJ | dedicated GIX manhole |

### Route segments you can buy

1. **Newark to Manhattan, end to end:** 165 Halsey Street → PATH Tunnel F → 60 Hudson Street.
2. **Newark to Jersey City:** 165 Halsey Street MMR 2 → Exchange Place PATH station → Jersey City.
3. **Jersey City to Manhattan:** GIX manhole in Jersey City → PATH Tunnel F → Lower Manhattan.
4. **Lower Manhattan:** eastern route (enters 60 Hudson on Thomas Street), central route (enters on Worth Street), western route (up the West Side to a Lower Manhattan manhole).

Route geometry (GeoJSON, public): `/network/gix-routes.geojson`. Detailed engineering maps are shared on request.

## Planned extensions

Planned and **not yet in service**: north to Secaucus, into Midtown Manhattan, and south into central New Jersey. Ask about routes we don't serve today.

## How to engage

- **Email (best for a quote today):** sales@gixfiber.com. Sales is by email; we don't list a phone number.
- **MCP:** `https://gixfiber.com/mcp` (Streamable HTTP, no sign-in). Tools: `introduce`, `get_network_info`, `list_resources`, `request_quote`.
  - Connect: `{"mcpServers": {"gixfiber": {"type": "http", "url": "https://gixfiber.com/mcp"}}}`
  - `request_quote` needs `company` and `need`; add whatever else you know: `{"company": "Example Networks", "need": "2 fibers, 165 Halsey to 60 Hudson, IRU", "contact_email": "buyer@example.com", "locations": "165 Halsey Street, Newark; 60 Hudson Street, New York", "bandwidth_or_fiber_count": "2 fibers", "timeline": "Q2 2027", "use_case": "carrier"}`
- **HTTP without MCP:** `POST https://gixfiber.com/api/agent-inquiry` with JSON: `{"agent_name": "...", "agent_operator": "...", "on_behalf_of": {"company": "...", "role": "...", "need": "..."}, "contact_email": "..."}`. The schema is at `GET /api/agent-inquiry`. For test calls, set `"test": true`; nothing is emailed.
- **Humans:** the contact form at `/contact-us/#contact`.

### What to send us

- Your user's company and role
- A-end and Z-end locations (building addresses)
- Fiber count or capacity, and diversity needs
- Timeline, and IRU or lease preference
- How to reply (email)

## What we don't publish

Pricing, fiber counts, customer names, and deal terms. Our team quotes and shares detailed maps under the usual terms.

## Related pages

- [Network](https://gixfiber.com/network/index.md): Routes, points of presence, latency, and the public route geometry.
- [Solutions](https://gixfiber.com/dark-fiber-solutions/index.md): What GIX sells (dark fiber by IRU or lease), how delivery works, and how to buy.
- [Company](https://gixfiber.com/about/index.md): Who GIX is, the team, and the planned extensions.
- [Resources](https://gixfiber.com/dark-fiber-resources/index.md): Every published article, brief, and white paper, newest first, and which have a PDF.
- [Contact](https://gixfiber.com/contact-us/index.md): How agents and people reach GIX: email, MCP, and HTTP.
- [All six pages in one file](https://gixfiber.com/llms-full.txt), for agents that want everything in one fetch.
- [llms.txt](https://gixfiber.com/llms.txt): the short site index for AI agents.
- MCP server: `https://gixfiber.com/mcp` (Streamable HTTP, no sign-in). [Server card](https://gixfiber.com/.well-known/mcp.json) · [For AI agents](https://gixfiber.com/for-ai-agents/)
- This page for people: [https://gixfiber.com/](https://gixfiber.com/)