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Mass Pike Tunnel west is the westbound section of the highway connecting to the Mass Pike Interchange. Numerous ruined vehicles lay on the highway.
A group of raiders have built an encampment near the entrance, allowing access from the upper roadway down. It is here where the Sole Survivor uses Dogmeat to track Kellogg. A bloodied rag lays nears the stair access on the other side of the highway.
The Mass Pike Tunnel west appears only in Fallout 4.
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