I think the council here have done a similar thing to where we live, mixed roads, cycling freindly paths and pedestrian pavements all together without any clear warning, if you look at where this happened it was on a bit of pavement which was connecting a road with a cycle path, I would like to think, he shouted get out of the way because he knew he was going fast and to stop suddenly would have been dangerous to him, usually if someone shouts get out of the way, the norm would be to do this, I think it was a tragic situation & a dilemma that if he came across again would think about. When someone is hit by a golf ball and killed and the bloke didn't shout "fore" is that manslaughter?