What does the Bible say about the highway of holiness?

In Isaiah 35:8-9, the highway of holiness is presented as a distinct path meant for the redeemed of the Lord. This highway signifies not just any way but the exclusive and sacred path of salvation that leads to eternal joy and gladness, free from the dangers represented by beasts and burdens. The passage indicates that this highway is reserved for those whom God has cleansed and justified through the sacrifice of Christ, emphasizing that purity and holiness are prerequisites for salvation.