Mbta Fare Increase 2025 Increase. If the 4 percent were to be spread evenly, the current fare of $2.90 would increase to just above $3. The base fare for subways, local buses,.

If the 4 percent were to be spread evenly, the current fare of $2.90 would increase to just above $3. The mbta board today approved several fare changes that aim to improve equity by closing gaps in existing fare structures for reduced fare riders, minimize pandemic.