Trenchers Remain Valuable for Utility Construction Jeff Griffin | Senior Editor In the 1970s, new residential developments were being built with all utilities underground. Of course, water, sewer, and gas lines always had been buried, but now telephone and electric dissertation wires were, too, as would cable television services that would come later. 12 MAY 2023 | UndergroundInfrastructure.com All utilities underground became a selling point: no unsightly utility poles and overhead wires; no downed and dangerous utility lines from severe storms. Most of the underground construction was done with compact utility trenches, small walk-behind marine and larger riding trenchers. Bigger trenchers made longer runs. Vibratory plows began to play an increasingly important role. When conditions were suitable, the narrow slit left in the ground by the plow blade was easier to restore after the installation.http://www.UndergroundInfrastructure.com