What is the purpose of right-of-way in highway construction?

The purpose of right-of-way in highway construction is primarily to allocate land for the construction of the highway and associated facilities. Right-of-way refers to the legal permission to pass over the land of another and encompasses the land necessary for the roadway, shoulders, sidewalks, drainage, and sometimes utility installations. By securing the right-of-way, the construction project can ensure that there is adequate space for the road's alignment and function, as well as for safety measures that protect both the roadway and adjacent properties.

This allocation of land is a fundamental step in the planning and construction process, as it determines the physical space that will be utilized for the infrastructure. It also allows for the necessary legal and administrative arrangements to be made, ensuring that the project can proceed without conflicts over land use.

Other options may relate to aspects of highway design, but they do not capture the essential legal and logistical function of right-of-way in highway construction. Scenic viewpoints may enhance user experience, traffic control is crucial for safety and efficiency during operation, and soil stability is important for structural integrity, but these elements secondary to establishing the land required for the actual construction and operation of highways.