Orange markings on NYC sidewalks: Ingrid Burrington’s Seeing Networks decodes our infrastructure markings.

What Are the Orange Markings on NYC’s Sidewalks and Streets?

What Are the Orange Markings on NYC’s Sidewalks and Streets?

The Eye
Slate’s design blog.
April 22 2015 10:45 AM

What Are the Orange Markings on NYC’s Sidewalks and Streets?

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Urban hieroglyphics on the streets of NYC.

Courtesy of Ingrid Burrington

It’s time for another edition of What’s That Thing, Slate’s column that examines the details of the visible world that are hiding in plain sight. Send ideas for future columns, along with photos if possible, to whatisthat@markvr.com.

Ever stop to wonder about those scrawled mashups of lines and letters marked out on the road in front of you? Many of these urban hieroglyphics indicate the underground presence of various telecommunications cables and conduits. They are easily overlooked visual reminders that our communications networks—which we increasingly access wirelessly—have an elaborate and often pervasive physical form.

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What do these orange street markings mean?

Courtesy of Ingrid Burrington

For her Seeing Networks project, Ingrid Burrington catalogs, describes, and draws—by hand, in pencil—the street markings, manhole covers, antennas, and surveillance cameras scattered around New York City (with plans to include other cities in the future).

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“Markings and remnants of the network are almost everywhere, once you know how to look for them,” Burrington, currently a fellow at New York City–based Data and Society, told me in an email.

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A sketch based on NYC manhole covers of Level 3 Communications, Time Warner Cable, and Empire City Subway.

Illustration by Ingrid Burrington

Burrington said she walks around the city snapping photos of things that catch her interest, annoying Verizon workers who happen to be standing in an open manhole, turning to Internet infrastructure experts like author Andrew Blum or looking up markings in the NYC Department of Transportation Street Works Manual in her quest to demystify the city’s infrastructure.

One area of interest is what she calls the “messy, sprawling, and at times near-incomprehensible” world of cable markings—the transient, weather-beaten glyphs and texts that utility companies use to mark the locations of their underground cables for contractors or construction companies doing street excavation.

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More mysterious street markings on the streets of NYC.

Courtesy of Ingrid Burrington

New York City follows the federal color-code standard for sidewalk markings, she said. Orange lines mark Internet and television cables, telephone lines, or other kinds of conduits. “The markings are sometimes really sloppy, and often in fragments. Sometimes you'll see several different labels in the same place. A lot of these cables are bundled up together running through ducts under the city,” she writes on her website.

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Burrington began her project after the Edward Snowden story broke, finding herself “annoyed at the visual vernacular around government surveillance—all of the images paired with stories about it were either slide deck screenshots or the same stock photos of the NSA or bad Matrix fan art.” Burrington said she began to focus on Internet infrastructure when she discovered how hard it was to actually find information about it. Identifying some of the physical signifiers of infrastructure is her way of establishing the “ground truth” of the Internet, she said, “to reverse engineer the network in small fragments.”

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Burrington's recreation of NYC street markings for (from top left): Level 3 Communications, an Internet service provider; XO Communications; cable television; fiber optic cable; cable TV; Time Warner Cable; telephone cables; AT&T; and Empire City Subway ducts.

Illustration by Ingrid Burrington

While she shares some of her scouting photos here, Burrington only includes her own hand-drawn illustrations on her website. “The thing about most of these infrastructure signifiers is that they're on the street, which means they're subject to a ton of wear and tear,” she said. “Cable markings aren't really placed on the street to last; they're often super faded or written really sloppily. I worried using photos would make people look for something too specific; the illustrations are meant to offer a more general idea of what things should look like.”

For more information about the cable markings, check out Seeing Networks. Burrington’s self-published book Networks of New York: An Internet Infrastructure Field Guide is available to pre-order.

See something around the city, or the country, that you’re wondering about? Send a pic and description to whatisthat@markvr.com.