Senate Bill 6231 defines hostile architecture as “elements designed to restrict the use of public spaces by individuals experiencing homelessness.” (A PDF of the original bill can be viewed here.)
In the past, those elements have included fencing, large boulders and gravel. If the elements are erected specifically “to prevent people from sitting or lying at street” level, they would be prohibited.
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well, these aren’t mutually exclusive—and anti-homeless architecture is very harmful to everyone, not just the homeless. it often strips public spaces of amenities like benches, bathrooms, or even just any space in which you could conceivably loiter for fear that that they’ll be used by the “undeserving”