This is the 14731st most frequent Russian word.
пешеходный
Pedestrian.
Here, 'пешеходными' is used as an adjective describing 'улицами' (streets), emphasizing that these streets are designated for pedestrians and not for vehicular traffic.
Этот город известен своими пешеходными улицами.
This city is known for its pedestrian streets.
In this instance, 'пешеходный' modifies 'переход' (crossing), indicating that this type of crossing is specifically for pedestrians.
Пешеходный переход заботится о безопасности пешеходов.
The pedestrian crossing ensures the safety of pedestrians.
Here, 'пешеходной' is an adjective describing 'тропе' (trail), specifying that it is a trail meant to be walked on.