DB Red Line Hi-Rail Access Tunnel

Agency:	Massachusetts Bay Transportation Authority
State:	Massachusetts
Type of Government:	State & Local
NAICS Category:	237990 - Other Heavy and Civil Engineering Construction
Posted Date:	Mar 27, 2026
Due Date:
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DB Red Line Hi-Rail Access TunnelProject Description

MBTA Contract No. Y42CN01

This project will provide a new access point to the Red Line at Alewife Station. The MBTA Red Line subway northwest of the Charles River operates in a below grade tunnel. Maintenance access is four miles from Alewife Station at the First Street gate. The existing tunnel is over 25-ft below ground surface near Alewife.

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