It's still cheaper to trench long runs where there's not a lot of finished surface to repair, and the economy is forcing utilities to make that call rather than over-using directional boring. Ditch ...

This nicely equipped Astec 660, with four-wheel steering, carries a trencher attachment, backhoe, backfill blade and, at the right rear corner, the company's Hydraborer, a horizontal-boring unit. The ...