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HIGHWAY
SECTION
MILEPOST |
TOTAL
ROUTE
MILEPOST |
JUNCTION or RESYNCHRONIZATION |
| MUNICIPALITY |
|
|
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Junction US-101 (Oregon Coast Highway #9) at milepost 105.21
OR-18 Western Terminus
Salmon River Highway #39 Western Terminus |
| Otis Jct. |
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Junction Former US-101 (Oregon Coast Highway #9) |
| Otis |
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Milepost Resynchronization: MP 17.77=MP 17.92 |
| between Otis and Grand Ronde |
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Junction OR-22 (Three Rivers Highway #32) at milepost 24.97
Three Rivers Highway #32 Eastern Terminus
OR-22 joins OR-18 (Salmon River Highway #39), leaves Three Rivers Highway #32 |
| Valley Jct. |
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Milepost Resynchronization: MP 23.31=MP 23.32 |
| Valley Jct. |
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Junction OR-22 (Willamina-Salem Highway #30) at milepost 0.00
Willamina-Salem Highway #30 Western Terminus
OR-22 joins Willamina-Salem Highway #30, leaves OR-18 (Salmon River Highway #39) |
| between Ft. Hill Jct. and Willamina |
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Junction OR-18 Business (Willamina-Sheridan Highway #157) at milepost 0.00
OR-18 Business Western Terminus
Willamina-Sheridan Highway #157 Western Terminus |
| between Ft. Hill Jct. and Willamina |
|
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Junction OR-18 Business (Willamina-Sheridan Highway #157) at milepost 8.60
OR-18 Business Eastern Terminus
Willamina-Sheridan Highway #157 Eastern Terminus |
| Sheridan |
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Junction OR-153 (Bellevue-Hopewell Highway #153) at milepost 0.00
OR-153 Northern Terminus
Bellevue-Hopewell Highway #153 Northern Terminus |
| Bellevue |
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Junction OR-99W (Pacific Highway West #1W) at milepost 39.24 |
| McMinnville |
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Junction Salmon River Highway #39 McMinnville Spur at milepost Y46.26
Salmon River Highway #39 McMinnville Spur Southern Terminus |
| McMinnville |
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Junction OR-233 (Lafayette Highway #154) at milepost 0.00
Lafayette Highway #154 Northern Terminus
OR-233 joins OR-18 (Salmon River highway #39), leaves Lafayette Highway #154 |
| Dayton |
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Junction OR-221 (Salem-Dayton Highway #150) at milepost 0.00
OR-221 Northern Terminus
Salem-Dayton Highway #150 Northern Terminus |
| Dayton |
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Junction OR-99W (Pacific Highway West #1W) at milepost 29.79
OR-18 Eastern Terminus
OR-233 Northern Terminus
Salmon River Highway #39 Eastern Terminus |
| Dayton Jct. |
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