For me, at least, it correlates to the direction that provides the widest/least obstructed/most visibly clear/least disruptive/least hazardous direction to give onward travel. Clearly the direction that that boils down to varies according to the individual situation.
I don’t recall being alone with a single central obstruction in the middle of an otherwise deserted and symmetrical street with no other influencing factors enough times to have noted any innate bias on my part.
For me, at least, it correlates to the direction that provides the widest/least obstructed/most visibly clear/least disruptive/least hazardous direction to give onward travel. Clearly the direction that that boils down to varies according to the individual situation.
I don’t recall being alone with a single central obstruction in the middle of an otherwise deserted and symmetrical street with no other influencing factors enough times to have noted any innate bias on my part.