# 255.707 Line markers for mains and transmission lines. **Citation:** 16 NYCRR 255.707 **Type / status:** regulation / current **Agency:** New York State Public Service Commission **Effective:** Not stated **Published:** Not stated Transmission and Distribution of Gas. (a) Except as provided in subdivision (b) of this section, a line marker must be placed and maintained as close as practical over each buried main and transmission line: (1) at each crossing of a public road, railroad and navigable waterway; and (2) wherever else necessary to identify the location of the main or transmission line to reduce the possibility ## Document text (a) Except as provided in subdivision (b) of this section, a line marker must be placed and maintained as close as practical over each buried main and transmission line: (1) at each crossing of a public road, railroad and navigable waterway; and (2) wherever else necessary to identify the location of the main or transmission line to reduce the possibility of damage or interference. (b) Line markers are not required for buried mains in Class 3 or 4 locations where a damage prevention program is in effect under section 255.614 of this Part. Line markers are not required for buried transmission lines in Class 3 or 4 locations where placement of a marker is impractical. (c) Line markers must be placed and maintained along each section of a main and transmission line that is located aboveground in an area accessible to the public. (d) The following must be written legibly on a background of sharply contrasting color on each line marker other than at navigable waterways: (1) the word "Warning," "Caution" or "Danger" followed by the words "Gas" (or name of gas transported) "Pipeline," all of which, except for markers in heavily developed urban areas, must be in letters at least one inch high with one-quarter inch stroke; and (2) the name of the operator and a telephone number (including area code) where the operator can be reached at all times. (e) Each line marker at a navigable waterway shall have the following characteristics: (1) a sign, rectangular in shape, with a narrow strip along each edge colored international orange and the area between lettering on the sign and boundary strips colored white; (2) written on the sign in block style, black letters the word "Warning," "Caution" or "Danger" followed by the words "Do not anchor or dredge" and the words "Gas Pipeline Crossing"; (3) the name of the operator and the telephone number (including area code) where the operator can be reached at all times; and (4) in overcast daylight, the sign is visible and the writing required by paragraph (2) of this subdivision is legible, from approaching or passing vessels that may damage or interfere with the pipeline. ## Provenance - Official: Yes - Source: - Source ID: `ny-dps-nycrr` - SHA-256: `ed7c8e524311fad94426337ce73edb9c39cf83113a238ca780ffd02b1059a99f` - Retrieved: 2026-08-12T06:20:40.894Z - Exported: 2026-08-25T01:04:55.702Z - Document slug: `ny-nycrr-255-707` ### Source metadata ```json { "jurisdiction": "US-NY", "title": 16, "part": "255", "partTitle": "Transmission and Distribution of Gas", "scopeKind": "gas-pipeline-safety", "tocPath": [ "Part 255 Transmission and Distribution of Gas", "Maintenance" ], "legalScope": "Complete current terminal legal unit exposed by the DPS-designated Title 16 NYCRR pipeline-safety part inventory.", "applicabilityCaveat": "Applicability depends on the part and section, Commission jurisdiction, commodity and facility type, intrastate or interstate status, operator and activity, exemptions, waivers, federal preemption, Commission orders, and incorporated law. DPS inspects portions of interstate systems for PHMSA, but PHMSA retains federal enforcement authority. DPS states that all jurisdictional Part 256 gas-holder and Part 257 LPG-plant facilities have been decommissioned even though those regulations remain unrepealed.", "incorporationCaveat": "These parts incorporate or rely on federal pipeline regulations, federal and New York statutes, Commission rules and orders, and privately authored technical standards. Part 10 supplies incorporation details. References metadata preserves explicit citations but does not reproduce external material, determine licensing rights, or decide whether a particular incorporation is static or dynamic.", "publicationCaveat": "The New York Department of Public Service identifies these eleven Title 16 NYCRR parts as its state pipeline-safety regulations and links to the public DOS/Westlaw NYCRR reading copy. That site labels the online text unofficial and directs users needing evidentiary accuracy to the Official NYCRR maintained by the Department of State Division of Administrative Rules. Each section's 'Current through' date is the most recent official NYCRR supplement covering that section, not a uniform corpus-wide amendment date.", "rights": "New York government-edict text is preserved with DPS, Department of State, and publisher attribution. The public reading site's presentation and enhancements, agency marks, forms, annotations, and incorporated federal or privately authored standards require separate rights review; this connector does not claim rights in those materials.", "rightsReviewRequired": true, "currentThrough": "2024-05-31", "historyEvents": "No event is emitted because the section reading copy does not supply an explicit adoption, filing, or effective-date history.", "publisherCitation": "16 CRR-NY 255.707", "identityAnomaly": null, "references": [ { "citation": "16 NYCRR 255.614", "referenceType": "new-york-administrative-code", "url": "https://govt.westlaw.com/nycrr/Document/I505d5a20cd1711dda432a117e6e0f345?viewType=FullText&originationContext=documenttoc&transitionType=CategoryPageItem&contextData=(sc.Default)" } ], "region": "NY" } ```