Lohana State Route 545 (abbreviated LOH-545) is a north-south state route maintained by the Transportation Department of the state of Lohana. Its south end is at State Route 377 near Aderna City. Its north end is at State Route 694 in Airhopana National Park near the Carlana state line.
- Aderna County
- Buckhart County
- Airhopana County
State Route 545 begins at its intersection with State Route 377 near Aderna City, and then travels northeast toward the Buckhart County line. At the county line, the road turns more to the north, and continues this path until its north end at State Route 694 in Airhopana National Park.