Portland - Changes in Journey-to-Work Flows Between Central-Suburban-Ex-urban areas: 1990-2000
| Type | 1970 | 1980 | 1990 | 2000 |
|---|---|---|---|---|
| Central-Central | 41.5 | 33.1 | 27.5 | 24.3 |
| Central-Suburban | 4.4 | 4.2 | 6.0 | 6.2 |
| Suburban-Central | 14.2 | 16.3 | 16.0 | 14.3 |
| Suburban-Suburban | 23.4 | 28.6 | 32.7 | 37.2 |
| Others | 2.2 | 2.1 | 2.8 | 3.5 |
| Ex-urban-Ex-urban | 14.4 | 15.7 | 15.1 | 14.6 |
