In article ,
Ed Pawlowski wrote:

How do we know it is in a place cars will hit it? Could just be a
barrier along a walkway in a park. Do you think he'd be mounting a
trash can along an I-95 exit ramp?

Yeah, the original pic shows the cordless drill sitting on the guardrail
mounting post. Using the drill for a scale reference, I'd make the post
a 4 x 4. Seems a little light for a highway guardrail.