| Calais - Means of Transportation to Work | FIPS Code=23025 |
| 1970 | 1980 | 1990 | |
| Per Cent of Working Population that Drove Alone to Work | 71.30 | 63.50 | 74.58 |
| Per Cent of Working Population that Carpooled to Work | 4.93 | 30.68 | 11.59 |
| Per Cent of Working Population that Used Public Transportation | 0.00 | 0.39 | 0.28 |
| Per Cent of Working Population that Walked to Work | 3.59 | 3.30 | 1.68 |
| Per Cent of Working Population that Used Other Means to Get to Work | 0.00 | 2.14 | 0.70 |
| Per Cent of Working Population that Worked at Home | 20.18 | 7.57 | 11.17 |