The global underground utility mapping market is expected to see rapid growth in the next few years, reaching $1.72 billion in 2028. This growth can be attributed to the adoption of advanced mapping technologies, expansion of smart city initiatives, and integration of AI and machine learning. Major trends include the use of cloud-based solutions and drones for surveying, as well as the emergence of augmented reality for utility mapping. Top companies in the market include 3M, Hexagon AB, and Trimble Inc.