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Pipeline markers are required by the Department of Transportation and API standards to prevent accidental rupture during excavation, as a struck pipeline can cause explosions, environmental damage, and service loss, and our pipeline signs are often paired with our utility marking tape for complete above-ground and underground hazard identification.
Pipeline signs (or pipeline markers) are posts or signs used to identify the location of underground pipelines. They warn excavators of buried gas, oil, or water lines and provide emergency contact information. These are essential for promoting general safety signs in construction zones.
A compliant marker must display the warning signal word (warning/danger), the product being transported (e.g., "natural gas"), the operator's name, and a 24-hour emergency phone number. This is similar to the detailed information required on radiation warning labels.
Pipeline markers follow the APWA color code: Yellow for gas/oil/steam, Blue for water, Green for sewer, Red for electric, and Orange for communication lines. This helps crews instantly identify the utility type.
Markers should be placed directly over the centerline of the pipe, at road and railroad crossings (see railroad safety signs), and at intervals
Pipeline warning signs keep us all safe! Dig-in accidents by unthinking backhoe operators and careless construction crews are the most common source of pipeline accidents.
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