Overnight ramp closure on I-90 westbound off-ramp (Exit 131 – Allston/Brighton) will be in place starting at 11pm on November 17, 2021

On Wednesday, November 17, 2021, the I-90 westbound off-ramp at Exit 131 (Allston/Brighton) will be closed overnight so permanent pavement markings can be placed on the ramp as part of the ongoing utility work for the developing Enterprise Research Campus (ERC) in Allston. Traffic will be detoured to the Cambridge/Somerville fork where vehicles will take a left onto Cambridge Street at the first traffic light. Vehicles exiting I-90 eastbound at Exit 131 will follow the same detour.

This ramp closure and detour will last from 11:00 p.m. on Wednesday, November 17, 2021, to 5:00 a.m. on Thursday, November 18, 2021. All durations of the work are subject to change based upon weather and unforeseen conditions.