| Albany & Eastern |
Page (Albany) to Foster |
| Lebanon to Mill City |
Burlington Northern
Santa Fe |
Northwest Division |
Fallbridge Subdivision |
Portland, OR, to SP&S Jct. (Pasco), WA |
| OE Subdivision |
Salem to Eugene |
| Oregon Trunk Subdivision |
Fallbridge to Chemult |
Northern California
Division |
Gateway Subdivision |
Klamath Falls, OR, to Scarface, CA |
| Central Oregon & Pacific |
Coos Bay Subdivision |
Finn to Coquille |
| Roseburg Subdivision |
Springfield to Medford |
| Siskiyou Subdivision |
Medford, OR, to Black Butte, CA |
| White City Branch |
Tolo to White City |
| City of Prineville |
Prineville Jct. to Prineville |
| Idaho, Northern & Pacific |
La Grande to Elgin |
| Klamath Northern |
Gilchrist Jct. to Gilchrist |
| Lake County Railway |
Alturas, CA, to Lakeview, OR |
| Longview, Portland & Northern |
Gardiner Branch |
Gardiner Jct. to Gardiner |
| Mt. Hood Railway |
Hood River to Parkdale |
| Oregon Pacific |
East Portland Division |
East Portland to Milwaukie |
| Molalla Division |
Canby to Molalla |
| Palouse River & Coulee City |
Wallula Branch |
Wallula Jct., WA, to Walla Walla, WA |
| Weston Branch |
Walla Walla, WA, to Weston, OR |
| Port of Tillamook Bay |
Schefflin to Tillamook |
| Portland & Western |
Astoria District |
Willbridge to Astoria |
| Bailey District |
Alpine Jct. to Dawson |
| Bendemeer District |
Bowers Jct. to Merle |
| Dallas District |
Thielsen to Dallas |
| Forest Grove District |
Hillsboro to Forest Grove |
| Hampton Railway |
Willamina to Fort Hill |
| Oregon Electric District |
Greton to Salem
|
| Seghers District |
Hillsboro to Seghers |
| Tillamook District |
Willsburg Jct. to Schefflin |
| Toledo District |
Albany to Toledo |
| United Railway District |
United Jct. to Banks |
| West Side District |
Cook to Newburg
Newburg to Monroe |
| Willamina District |
Whiteson to Willamina |
| Union Pacific |
Portland Area |
Ayer Subdivision |
Hinkle, OR, to Page, WA |
| Brooklyn Subdivision |
Portland to Oakridge |
| Cascade Subdivision |
Oakridge to Klamath Falls |
| Condon Industrial Lead |
Arlington to Gilliam |
| Homedale Branch |
Nyssa to Adrian |
| Huntington Subdivision |
Nampa, ID to East La Grande, OR |
| La Grande Subdivision |
La Grande to Hinkle |
| Pilot Rock Industrial Lead |
Reith to Pilot Rock |
| Portland Subdivision |
Portland to Hinkle |
| Umatilla Industrial Lead |
Hinkle to Umatilla |
| Roseville Area |
Black Butte Subdivision |
Klamath Falls, OR, to Black Butte, CA |
| Modoc Subdivision |
Texum, OR, to Alturas, CA |
| Willamette Valley |
Woodburn to Stayton |
| Wyoming Colorado |
Ontario to Celatom |
