On 21/04/2019 20:46, Rob Morley wrote:

On Sat, 20 Apr 2019 22:32:51 +0100
TMS320 wrote:

The chevrons, barriers and speed limit have been put there because
there is another very large group of road users that have difficulty
going down hill.

I wonder if this incident was mechanical failure, user error or
something else.

I'v already speculated that it might be the wall's fault.