| Action | OSM ID | Operator | Manufacturer | When |
|---|---|---|---|---|
| added | 1098970424 | Massachusetts Department of Transportation | — | #1 |
| added | 1404985371 | Massachusetts Department of Transportation | — | #1 |
| added | 4831218621 | Massachusetts Department of Transportation | — | #1 |
| added | 6265900996 | Massachusetts Department of Transportation | — | #1 |
| added | 7838379092 | — | — | #1 |
| modified | 1404985354 | Massachusetts Department of Transportation | — | 2025-06-09 |
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