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Utility markings and right-of-way notices are warnings and project clues—not a map of every buried line or proof that a crew may dig anywhere on your property. Orange commonly marks communications facilities such as cable or fiber; a notice may identify planned work in a public right-of-way or a utility easement. The colors are common across U.S. 811 guidance, but access rights, permits, notice rules, and safe-digging procedures depend on your state, locality, and property records. If you are unsure what a mark or notice covers, identify the provider and project, then verify the work boundary with the local road agency or public works office.
What do the colored utility markings mean?
In the common U.S. 811 color convention, orange indicates communications facilities, including cable and fiber. It identifies the type of facility expected beneath or near the mark; it does not necessarily identify the internet company, the contractor, or the owner of that line. The same color convention is used for other utility categories, but marks can include paint, flags, symbols, or ticket responses. If a mark is unfamiliar or ambiguous, check with the local 811 center or the utility rather than guessing. Colorado 811’s homeowner color guide and Kansas 811’s homeowner guide explain the convention in their respective state contexts.
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Do these 3 things before closing this tab:
1Repair Windows errors before they cause bigger problems2Fix the driver behind crashes, sound loss and screen glitches3Clear out junk files and repair common Windows errors| Color | Common meaning |
|---|---|
| White | Proposed excavation area |
| Pink | Temporary survey markings |
| Red | Electric power lines, cables, conduit, or lighting |
| Yellow | Gas, oil, steam, petroleum, or other gaseous materials |
| Orange | Communications, alarm, or signal lines, including cable and fiber |
| Blue | Potable water |
| Purple | Reclaimed water, irrigation, or slurry lines |
| Green | Sewer or drain lines |
White marks are different from the others: they show where someone proposes to excavate, not where an existing utility is located. Pre-marking the intended work area helps locators know which area to check. If you are planning your own excavation, white flags or paint can outline the proposed area before you submit a locate request; they are not a substitute for waiting for utility responses. USAN’s homeowner guidance describes this pre-marking role.
Does an orange mark show exactly where the fiber line is?
No. A locate mark is an approximate indication of a buried facility, not a survey of its exact path or depth. Do not use the visible line as permission to excavate up to it or as assurance that an area without marks is clear.
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Depth may not be known to the locator and can vary along the route. Colorado 811’s homeowner brochure says that depth is indicated only when the locator knows it. A marked route therefore communicates a hazard and helps define where caution is needed, but it does not establish a guaranteed depth, exact alignment, or safe clearance for a machine.
Markings also have a practical lifespan: they can become difficult to see, be disturbed, or no longer correspond to the work you intend to do. If you plan a separate excavation—even near marks placed for an internet crew—submit your own locate request and follow your local process. Keep marks visible and request clarification or a re-mark if they are missing or unclear. Check with your local 811 center about how it handles ticket status, timing, and validity; those details are not identical everywhere.
What is a tolerance zone, and how far away should I dig?
A tolerance zone is the area around a marked facility where excavation requires extra care under the applicable local rules. Its dimensions and required digging methods vary by jurisdiction, so there is no single national distance to apply at every property.
| Jurisdiction and guidance | Published tolerance-zone guidance | What to take from it |
|---|---|---|
| Colorado 811, homeowner brochure, version 3, updated May 2022 | 18 inches on each side of the marked utility; hand digging is required in the zone | Colorado-specific rule and guidance, not a nationwide measurement |
| Kansas 811, 2023 homeowner quick-reference guide | 24 inches on each side of the utility | Kansas guidance; the exact facility location may vary |
| Indiana 811 homeowner/pro guidance | A two-foot zone, with facility width affecting the full boundary | Its example shows a six-inch-wide water line producing a zone extending two feet three inches from the mark on all sides |
These differences matter. Colorado 811’s May 2022 brochure states: “Colorado law requires you to use reasonable care when digging within 18” of the marked utilities.” That statement applies to Colorado and its specified tolerance zone. Read the Colorado brochure and check the current requirements for the state where the work will happen.
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Near a marked line, use the method required by the local rules and any instructions from the utility or locate center. For example, Louisiana 811 advises using non-powered hand tools or a non-invasive method within its tolerance zone. The exact method and distance can differ elsewhere; do not transfer Colorado’s 18-inch rule, Kansas’s 24-inch guidance, or Indiana’s example to another jurisdiction without checking. Louisiana 811’s homeowner guidance explains its approach.
Why are internet crews digging in my yard?
The work may be taking place in a public right-of-way, within a utility easement, or under a project-specific permit. Those are different arrangements, and a crew’s presence or a door hanger alone does not reveal which one applies to a particular strip of land.
A public right-of-way is an area controlled for public use and may be subject to permits issued by a city or road agency. A utility easement is a property interest that can allow utility work or access on land that remains privately owned. Broadband providers may have lawful access through a right-of-way or recorded easement, but the legal boundary and allowed work depend on the relevant records and local rules.
For example, the City of Durham’s right-of-way guidance discusses broadband and fiber providers’ access to public rights-of-way or recorded easements and points residents toward property records or a survey for boundary questions. The Michigan Department of Natural Resources distinguishes work wholly within a public road right-of-way, handled through the road agency’s permit, from utility work using state-managed land, which can require an easement and additional approvals. These examples explain the concepts; they do not establish the rights for a property in another jurisdiction.
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Does a right-of-way notice mean the crew can dig here?
Not by itself. A notice can tell you about a proposed or scheduled project, but it does not settle whether a particular marked area falls within a public right-of-way, a recorded easement, or another permitted work boundary. Nor does one notice rule apply across the country.
Local practices can differ even on whether residents are notified. Greenville County, South Carolina, says residents are typically notified by installers, but that public utilities and the county are not required to notify residents about upcoming utility work within that county’s right-of-way. That is a local example, not a general rule for other counties or states. Greenville County’s Public Works FAQs describe its practice.
If a notice is unclear, start with the provider or project contact named on it. Ask what work is planned, which segment or boundary it covers, who issued the permit, and how to report a property or restoration concern. The local public works or road agency can help identify the applicable right-of-way or permit. For a boundary question, consult the recorded deed or plat; a surveyor may be needed to locate a boundary on the ground. For the scope of a specific easement, local guidance may direct you to property records or legal counsel.
What should I check before I dig near internet work?
If you are planning excavation yourself, do not rely on marks placed for somebody else’s project. Contact 811 or submit the request through your local one-call center, wait the locally required period, and confirm the listed utility operators have responded before digging. A “clear” response means the responding operator has reported no facility in the requested area; it is not a guarantee that no buried line of any kind is present.
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- Define the work area. Mark the proposed excavation area in white if your local process calls for pre-marking. Keep the boundary clear and specific so locators can identify what needs to be checked.
- Submit a locate request. Use 811 or the local one-call process before you excavate, even if another project has already placed marks nearby. Follow the local instructions for the request, timing, and ticket status.
- Check the responses. Confirm the listed operators have responded and understand what each response covers. If a mark, symbol, or status is unclear, contact the 811 center or utility before proceeding.
- Account for private lines. Public 811 services may not locate customer-owned facilities. Ask the one-call center what is included and whether a private locator is needed for lines such as sprinkler systems, landscape lighting, or customer-installed communications facilities.
- Excavate cautiously around marks. Follow the local tolerance-zone distance and required methods. Keep the marks visible; stop and seek clarification if they disappear, conflict, or do not seem to match the work area.
- Keep project and damage contacts. If your question concerns a crew’s work rather than your own digging, retain the notice and contact the named provider or local permit authority about the work boundary, restoration plan, or damage-reporting process.
Colorado 811’s before-you-dig guidance and the Louisiana 811 homeowner page provide state-specific examples of locate and excavation steps. Use your own state’s current guidance for applicable deadlines, ticket conditions, and tolerance-zone requirements.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How can I tell which rules apply to my project?
Compare the notice and work against six practical questions: which jurisdiction governs the site; whether the work is in a public right-of-way or a recorded private easement; which agency issued any permit and what its conditions say; who is responsible for locating utilities and whether private facilities are included; who to contact about the schedule or notice; and what process applies to restoration or damage reports.
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Start with the notice for the provider, project contact, and any permit information. Then verify the work area with the local road agency or public works office. If the question is about the location or scope of an easement, use the recorded property documents and, where needed, a surveyor or legal counsel. The 811 organization is the right source for locate procedures and mark interpretation; the permitting or property authority is the right source for access and boundary questions. Neither a color mark nor a generic door hanger answers every question about legal access or excavation safety.
Frequently Asked Questions
Can I remove or cover the orange flags after the crew leaves?
Avoid removing, moving, or covering marks while work is active or anyone may rely on them. If they interfere with mowing or another activity, contact the provider or project representative first and ask whether they should remain; for your own planned excavation, make a fresh 811 request rather than relying on old marks.
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Will 811 locate the sprinkler and landscape-lighting wires in my yard?
Not necessarily. Public one-call services may not locate customer-owned facilities, so ask the local center what its operators cover and whether a private locator is appropriate for your property.
Who should I call if an internet contractor damages my lawn or driveway?
Use the contact on the project notice or ask the local public works or road agency which permit and project apply. Request the provider’s restoration and damage-reporting process, and keep the notice and relevant correspondence.
Can I use the same 811 ticket for a later project at the same address?
Do not assume so. Ticket validity and renewal rules vary by jurisdiction and by the conditions of the request; check the local one-call center’s requirements and submit a new request if the work area or project has changed.
