Category talk:Massachusetts Bay Transportation Authority
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Categories:
- Category-Class rail transport articles
- NA-importance rail transport articles
- Category-Class Rapid transit articles
- NA-importance Rapid transit articles
- WikiProject Rapid transit articles
- Category-Class Streetcars articles
- NA-importance Streetcars articles
- WikiProject Streetcars articles
- All WikiProject Trains pages
- Category-Class Ships articles
- All WikiProject Ships pages
- Category-Class Bridge and Tunnel articles
- NA-importance Bridge and Tunnel articles
- WikiProject Bridges and Tunnels articles
- Category-Class United States articles
- NA-importance United States articles
- Category-Class United States articles of NA-importance
- Category-Class Massachusetts articles
- NA-importance Massachusetts articles
- WikiProject Massachusetts articles
- Category-Class Boston articles
- NA-importance Boston articles
- WikiProject Boston articles
- Category-Class Rhode Island articles
- NA-importance Rhode Island articles
- WikiProject Rhode Island articles
- WikiProject United States articles