Workers are now operating two remote-controlled D-8 Caterpillar excavators at the Regent’s Slide site on Big Sur, according to a news release. But even with the high-tech help, Caltrans still ...

The RC rigs in the video above rank up there in detail that go beyond only mimicking the looks of real-life dump trucks, excavators, semis, and other big rigs. Some of the machines in the video ...