I'm sure there was a thread about this but I can't find it. There's some discussion about Crammond Brig at the end of this thread which is mostly about the Barnton path and chicane (but I have not read the whole thing).
Anyway.
I went through on Sunday and found that the temporary plastic things were nearly blocking the whole path:
20170423_122649 by f_m_m, on Flickr
Not much space:
20170423_122900 by f_m_m, on Flickr
I had an "interesting" chat with the woman who came out of the house. She said that one of the plastic things had been damaged by vandals:
20170423_122920 by f_m_m, on Flickr
She said that there is going to be a permanent barrier there, and that they'd had lots of problems with cyclists going fast down the hill. Which I can sympathise with, because it is a tempting hill to whizz down (not that I do, because I know there's a narrow bridge at the bottom). An then she spoiled her case by saying that "people from the council" had come and done speed checks and clocked cyclists doing "70-80 miles an hour" down the hill. Which is obviously ludicrous (pro cyclists on closed roads get up to about 60mph...). So I said I didn't believe her about that and of course that meant that she thought I didn't believe or sympathise with her about anything (remember I'm with a bike and in lycra). I wish I'd said to her that that sort of hyperbole doesn't help her case at all... The woman also said that there had been "lots" of accidents involving excessive speed on that hill, mostly involving her, her husband or their dog...
I came back that way; there are some signs on the way down the hill:
20170423_130341 by f_m_m, on Flickr
but to be honest, no one is going to slow down (much) for those. To be honest, you are not going to slow down cyclists going past that house by putting a barrier/chicane after the house. You'd slow people by putting a chicane halfway down the hill; but you can't do that because it would stop people driving to the car park at the bottom...
I bumped the plastic things across so that no one would be tempted to cycle through the gap where the burnt out plastic was.