List of highway route numbers in Oregon Mainline routes Mainline routes

| Number_ | South_west_end | North_east_end | Formed | Eliminated_ |
|---|---|---|---|---|
| Oregon Route 212 | I-205 near Clackamas | US 26 west of Sandy | 1935 |  |
| Oregon Route 213 | I-5/OR 99E in Salem | Portland International Airport | 1935 |  |
| Oregon Route 214 | I-5 in Woodburn | OR 22 west of Shaw | 1935 |  |
| Oregon Route 215 | OR 214 in Silverton | OR 99E in Oregon City | 1935 | 1950s |
| Oregon Route 216 | US 26 near Bear Springs | US 97 in Grass Valley | 1935 |  |
| Oregon Route 217 | I-5 east of Tigard | US 26 at Cedar Hills | 1935 |  |
| Oregon Route 218 | US 97 at Shaniko | OR 19 in Fossil | 1935 |  |
| Oregon Route 219 | I-5 in Woodburn | OR 8 in Hillsboro | 1935 |  |
| Oregon Route 220 | Sumpter | OR 7 at Salisbury | 1935 | 1980s |