Willamette River, and downtown Salem. Salem area After crossing the bridge, OR 22 (along with OR 99E Business, which it joins) heads south along Front Street for a few blocks, then east past Willamette University. At the eastern edge of the Willamette campus, an interchange carries the highway to Mission Street; OR 22 and OR 99E Business continue east on Mission Street (which is really an urban expressway), past the Salem airport to an interchange with Interstate 5 and Oregon Route 99E. OR 99E Business ends here; OR 22 continues to the east. This portion of OR 22 is part of the Salem Highway No. 72. North Santiam Highway East of the I-5 interchange, OR 22 is known as the North Santiam Highway No. 162. This section of OR 22 is a major transportation corridor; and is a primary route between Salem and the central Willamette Valley, and Central Oregon. Between I-5 and Stayton; OR 22 is a freeway: a four-lane undivided freeway between I-5 and Aumsville; a traditional divided freeway between Aumsville and Stayton, and a two-lane freeway in the Stayton/Sublimity area. The highway continues east, along the northern bank of the Santiam River, through the community of Mehama and the cities of Mill City, Gates, and Detroit. The highway passes numerous hydroelectric dams, including the ruins of an early 20th-century dam at Niagara County Park and the mid-20th century Detroit Dam which forms much-visited Detroit Lake. Beyond the Detroit on the east end of the reservoir, the highway passes Idanha, and turns south, west of Mount Jefferson, passes Marion Forks, and reaches its terminus at an interchange with U.S. Route 20 and Oregon Route 126 at Santiam Junction. US 20 and OR 126 continue east over Santiam Pass into central Oregon; US 20 heads to Bend and OR 126 to Redmond. Major intersections References External links Project website for proposed expansion in Grand Ronde area ORoads: Oregon Highway 22 022 Transportation in Tillamook County, Oregon Transportation in Yamhill County, Oregon Transportation in Marion County, Oregon Transportation in Linn County, Oregon Transportation in Polk County, Oregon