What is the purpose of a jet route in air traffic control?

The purpose of a jet route in air traffic control is to provide guidance for flight operations primarily above 18,000 feet. Jet routes are specific airways that are designed for high-altitude flight operations, mainly utilized by jet aircraft that operate at cruising altitudes. These routes are structured to facilitate efficient traffic flow in the upper levels of the airspace, where the majority of long-distance airline flights occur. By designating these jet routes, air traffic control can enhance safety and efficiency, ensuring that high-altitude traffic adheres to predetermined paths, thereby reducing the risk of collisions and optimizing air traffic management.

In contrast, routes intended for guiding aircraft below 10,000 feet, facilitating VFR operations, or managing ground traffic at airports serve different purposes within the air traffic control system.