| Westford - Means of Transportation to Work | FIPS Code=7080 |
| 1970 | 1980 | 1990 | |
| Per Cent of Working Population that Drove Alone to Work | 84.07 | 55.37 | 77.74 |
| Per Cent of Working Population that Carpooled to Work | 15.93 | 35.25 | 140 |
| Per Cent of Working Population that Used Public Transportation | 14.63 | 0 | 0.3 |
| Per Cent of Working Population that Walked to Work | 0.21 | 0 | 2.72 |
| Per Cent of Working Population that Used Other Means to Get to Work | 0.94 | 0 | 1.82 |
| Per Cent of Working Population that Worked at Home | 0.84 | 0 | 4.54 |