^^ no idea what they're called, but they are an appallingly flawed attempt to 'calm' traffic, which is presumably their purpose. in practice they do the complete opposite as they simply encourage faster vehicles to 'shoot the rapids' in order to get beyond them as soon as possible. Railton Road in Brixton is a shining example of this fuckwittery.
^^ no idea what they're called, but they are an appallingly flawed attempt to 'calm' traffic, which is presumably their purpose. in practice they do the complete opposite as they simply encourage faster vehicles to 'shoot the rapids' in order to get beyond them as soon as possible. Railton Road in Brixton is a shining example of this fuckwittery.