Jamieson, Fausset and Brown on Isaiah 62:10

10. What Isaiah in the person of Messiah had engaged in (Is 62:1) unrestingly to seek, and what the watchmen were unrestingly to pray for (Is 62:7), and what Jehovah solemnly promised (Is 62:8, 9), is now to be fulfilled; the Gentile nations are commanded to "go through the gates" (either of their own cities [Rosenmuller] or of Jerusalem [Maurer]), in order to remove all obstacles out of "the way of the people (Israel)" (see on Is 7:14; Is 40:3; 52:10-12).

standard--for the dispersed Jews to rally round, with a view to their return (Is 49:22; 11:12).