Parenthetical point: Brighton race course is unusual in thatit is horseshoe (or U) shaped, one of only three in England that do not prescribe a complete loop.
As I was saying, I had to drive across the race course. Luckily, I went in the morning. I had not been aware that yesterday was a race day. Had I tried to go to the tip in the afternoon, I would likely have been held up, possibly for as long as 20 minutes.
There always used to be a sign on the approach to the race course warning drivers of a temporary road surface, this sign being uncovered on race days. That sign seems to have disappeared, to be replaced by this deeply philosophical thought:
Seems to me to be a thought worthy of Uncle Skip.