high road 
noun
1A main road: [in place names]: Kilburn High Road...
- Because of the disparate nature of the electorate, candidates must take to the high roads and by-roads and visit councillors individually to solicit their votes.
- It was a very dark night, and a thin rain began to fall as we turned from the high road into a narrow lane, deeply rutted, with hedges on either side.
- Lamps will be installed on the high road to cast light on the road and pavement.
1.1A direct or certain route or course: the high road to social justice...
- Virtually all schools of Buddhism see meditation as the high road to enlightenment, and it constitutes a major part of the ‘experiential’ dimension of Buddhism as a religion.
- Learning to accept the flaws in themselves and others is not the pathway to mediocrity; it's the high road to a more loving - and satisfying - life.
- Take away those rights and ‘freedom of expression’ becomes an empty phrase and we are on the high road to totalitarianism.
1.2North American A morally superior approach towards something: the company took the high road, announcing it would extend the benefits to all its workers...
- But in the absence of any evidence, he took the high road and conceded the race.
- I thought that in light of his juvenile hysterics, I was taking the high road by simply leaving him in silence, never to speak to him again, but now I have an overwhelming urge to tell him what I really think of him.
- She always took the high road and never compromised her integrity.