'Holy Way' in the Bible

A highway will be there, and a roadway;And it will be called the Holy Way.The unclean will not travel on it,But it will be for those who walk on the way [the redeemed];And fools will not wander on it.

And put on the new man, to which God has given life, in righteousness and a true and holy way of living.

Seeing that all these things are thus to be dissolved, what manner of persons, ought yeall the while to be, in holy ways of behaviour and acts of godliness, -