However, charities working with rough sleepers, such as national homelessness charity Crisis, fear the move could drive vulnerable people away from services that might help them.
Under the PSPO, rough sleepers in some areas of Hackney could face a £100 fixed penalty or be taken to court and fined up to £1,000.
He'll also point out the Tesco opposite, where the toilets get flooded because rough sleepers from the park use them to wash.
In his latest exhibition, Carsten Holler: Decision, the artist says his Two Roaming Beds (Grey) introduce "a moment of uncertainty", where the sleepers can't be sure the place where they close their eyes will be the same place they wake up.
Related: Councils should help rough sleepers, not fine them Goulding posted a series of tweets saying she was "deeply concerned about how out of touch people can be", and added: "Some councils in England have decided to treat homeless people as though they are criminals and are going to start fining them".
Carne said he had instigated a programme to tidy up a railway that was "frankly, sometimes a bit of a scrapheap", including picking up tens of thousands of tonnes of old rails and sleepers.
Goulding urged her 4.8 million followers to sign an online petition to "stop criminalising Hackney's rough sleepers".
The men fret, with good reason: safety rules may protect them against falling sleepers but the African bush adheres to no regulations.
It is a bit less rosy.In London, where about half of England's rough sleepers are based (and half of those, in turn, in the borough of Westminster), their numbers fell between 2000-01 and 2004-05, buthenen increased from just over 2,500 to 3,017 in 2007-08.
The line's 3m concrete sleepers are being cast there, and the ballast on which they will lie is quarried nearby.
More worrying still, 57% of rough sleepers in this study have mental-health issues, and the fact that most of them booze or do drugs too means that they are often treated effectively for neither condition.
