The Biggest and Best Boulder Blasts and Rock Rolls in Caltrans Highway History
The Biggest and Best Boulder Blasts and Rock Rolls in Caltrans Highway History And several other boulder rolls and trundles that keep California’s highways safe and open Caltrans To keep its highways safe and cars from getting squashed, the California Department of Transportation, or Caltrans, sends crews up cliffs with big crow bars to dislodge giant boulders before they dislodge themselves, possibly onto your pickup. Guys called “geo-technical experts” figure this stuff out. Sometimes it’s just the crow-bars that peel the rocks off the cliffs, other times they drill ‘em, fill ‘...
Source: autoweek.com