You are assuming facts not in evidence. The question is about that particular trip on that particular 2-mile section of road; there is no "return trip" mentioned.
the “return trip” is the downhill trip back to the starting point. hence “return”
no “return trip” mentioned.
Sorry, my error. I didn’t mean return trip.
no “return trip” mentioned.
The ‘return trip’ mentioned was part of the comment I referred to. It wasn’t my post. I only copy and pasted his post and answered it.