They concern the new innovation of the hareidi sector - "segregated" sidewalks.
So now, due to too many females on the sidewalks, especially on Friday night, the "saintly women" are asked to walk only on the permitted marked section of Amos-Tzfania-Malchei Yisrael-Eli HaCohen streets, the right side.
The request poster:
The women's side:
The persons responsible are also probably the readers of this Hebrew book.