Which color is typically used for marking underground gas lines?

The color typically used for marking underground gas lines is yellow. This standard is widely recognized and utilized across the United States, as well as in many other countries, to ensure the safety and proper identification of utility lines.

The use of yellow specifically for gas lines helps to distinguish them from other types of underground utilities. Each color is designated for different utilities: for instance, red is used for electric lines, blue for potable water, and green for sewer lines. Understanding these color codes is crucial for anyone working in construction, excavation, or related fields to prevent accidental damage to utilities, which can lead to dangerous situations such as gas leaks or explosions.

The importance of consistent color usage cannot be overstated, as it facilitates quick recognition of potentially hazardous lines during digging or excavation activities, thereby enhancing safety protocols.