State Route 28 (SR 28) is a state highway in the U.S. state of Washington. It travels 135 miles (217 km) across the central region of the state, passing through Douglas, Grant, and Lincoln counties. The highway begins at an intersection with U.S. Route 2 (US 2) and US 97 near East Wenatchee and travels east through Quincy, Ephrata, and Odessa before terminating at US 2 in Davenport. The route follows the Columbia River and the BNSF Railway's Columbia River Subdivision through the largely rural area between Wenatchee and Davenport.