Liability is pretty good protection -- pretty much everyone that uses heavy equipment to dig is aware of the need to use the "call before you dig" numbers to ha

Liability is pretty good protection -- pretty much everyone that uses heavy equipment to dig is aware of the need to use the "call before you dig" numbers to have someone come out and mark underground utilities. There's always the person with a rented ditch digger or over confidence "Well I dug out here last year and didn't hit anything, so I can dig again" who doesn't call or notice the trace cable, but overall that service works pretty well at preventing disruptions.