Mass Dot officials closed exit-20 on I-90W through Monday due to bridge construction

ALLSTON, MASS. (WHDH) - Mass Dot’s construction on the Commonwealth Avenue bridge continued today as they temporarily closed 1-90 West into Allston.

Officials said I-90 East continued to have two lanes open.

Mass Dot said exit-20 on I-90 West in Allston will be closed through Monday.

Until then, traffic will be detoured to exit-17 in Newton.

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