Christ is the Way
Isaiah 35: 8
Earthly Zion was where the city of Jerusalem was. It was the place where the one altar and the one mercy-seat were. That was the one place where the Lord in manifest glory communed with His covenant people. Therefore, access to earthly Zion was the most important part of the believer's life.
Eventually, Judah was carried away captive by Babylon. The true believer's longed to be redeemed from captivity and for a highway by which they could return to Zion, to the tabernacle of the Lord, to return into the presence of God. In due time the LORD raised up a king who set the captives free; and as promised, the LORD gave them a highway and the remnant returned to Zion with songs of rejoicing.
The good news of the gospel is far greater than a highway to some earthly place here below. When sin entered the world and death by sin, all mankind was taken into captivity in sin and separation from God. But God had a remnant chosen in Christ. In the fullness of time, Christ the King was raised up. He built the King's Highway. And he is the Way. By the Holy Spirit of God, every chosen child shall be newly born and called into Christ the Way, kept in him. Every believer has come to Mt. Zion and we shall make our pilgrimage in the Way from the sinful wilderness of Babylon to heavenly Zion (Hebrews 12: 22-29).