https://www.three.fm/news/isle-of-man-news/richmond-hill-work-may-be-finished-by-may-but-30mph-speed-limit-looks-to-stay/
Richmond Hill to remain 30 mph, even after the works are completed (estimated completion date 31 May; however, I note this article doesn't confirm which year...)
Not that I'm aggressively against the 30 mph limit becoming permanent, but I do wonder if it's really necessary? and if so, how has one concluded that it is necessary?