Horizontal direction drilling(HDD) is a minimal impact trenchless installation andconstruction methodused to install several types of underground structures and infrastructures.
Though this technology wasfirst developed in the early 1960s by Martin Cherrington—a contractor in the construction industry—HDD wasn’t widely recognized until the early 1970s, when the first rivercrossingwas completed.
In this quiz, we'll test your HDD knowledge.