Utility Color Codes






Hazards posed by striking buried underground utilities include property damage, injury, electrocutions, and even explosions. This 1-page safety meeting topic can be used for a safety moment or toolbox talk to review what it means to Call 811, why white lines might be important to the project, and the specific colors used for marking each type of underground utility.


Long Version - 6 pages

Long Version - 6 pages

Short Version - 2 pages

Short Version - 2 pages

Sign-in Sheet

Sign-in Sheet

Quiz and Answer Sheet

Quiz and Answer Sheet

Fast Version - 1 page

Fast Version - 1 page

Sign-in Sheet

Sign-in Sheet



Utility Color Codes, Construction, Fast

Blank Sign-in Sheet

Resources & References

Standards or Regulations
Weeklysafety.com exclusive 1-page safety meeting topic regarding excavation safety that covers Call 811, white lines, and the specific colors used for marking each type of underground utility.