At the time, I thought it was strange and didn't pay much attention to it. However, now that I have been clued in on what's really going on (let me rephrase, what I think is really going on) and it makes sense now.
Driving Interstate 10 between Palm Springs and Phoenix, there is a stretch of highway that has huge concrete entrances into the sides of the hills..., can't recall mileposts, but they are there.
At the time, I thought it was strange and didn't pay much attention to it. However, now that I have been clued in on what's really going on (let me rephrase, what I think is really going on) and it makes sense now.
Driving Interstate 10 between Palm Springs and Phoenix, there is a stretch of highway that has huge concrete entrances into the sides of the hills..., can't recall mileposts, but they are there.