If you're speaking about the part on the map that is labeled "Grandview highway", it's just a name - it is a regular street interrupted with traffic lights, bordering "The Grandview Cut" which has both train tracks and metro ("Skytrain") tracks: https://goo.gl/maps/B9dTbxg4LhedP9C7A

If you're thinking of the Georgia Viaduct (https://en.wikipedia.org/wiki/Georgia_Viaduct), it is slated for removal and is only about <1km