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Meaning: a raised road for public use
Such roads were not found in Palestine; hence the force of the language used to describe the return of the captives and the advent of the Messiah (Isa. 11:16; 35:8; 40:3; 62:10) under the figure of the preparation of a grand thoroughfare for their march.
During their possession of Palestine the Romans constructed several important highways, as they did in all countries which they ruled.