Heavy construction equipment operators are a prime market for technology improvements to increase safety. Dozer engineers, for example, can devote less time to watching their line. Horizontal Steering Control for dozers, from Trimble, automatically controls the machine to follow any horizontal alignment such as the back of a curb, break-line, roadway centerline, or bottom of slope without operator assistance. It enables the machine to follow the horizontal guidance from the 3D model, providing operators increased awareness of their surroundings, better accuracy and improved productivity with decreased overlap and fewer passes.