I am in the process of making a routing engine. I want to know, is it possible for a road segment in osm data that (that is accessible from pedestrians pedestrians) to only be walkable from one way ? Or should I take from granted that every single road segment is double-way ?

I am in the process of making a routing engine. I want to know, is it possible for a road segment in osm data that is accessible from pedestrians and its to only be walkable from one way ? Or should I take from granted that every single road segment is double-way ?

I am in the process of making a routing engine. I want to know, is it possible for a road segment in osm data that is accessible from pedestrians and its only walkable from one way ? Or should I take from granted that every single road segment is double-way ?

I am in the process of making a routing engine. I want to know, is it possible for a road segment in osm data that is accessible from pedestrians and its only walkable from one way ?