See the announcement below from DCR:

Beginning on Monday, March 18, 2024, and continuing through Friday, April 5, 2024 (excluding weekends), the Department of Conservation and Recreation (DCR) will close the left lanes (outbound) of Old Colony Avenue from O’Callaghan Way to the Kosciuszko Circle ramp and Morrissey Boulevard from Bianculli Boulevard to Savin Hill Avenue in the City of Boston’s Dorchester neighborhood from 7 a.m. to 3 p.m. to accommodate utility installation work. Traffic patterns will be clearly marked, and a police detail will be on site.

Left lanes (outbound) of Old Colony Avenue from O’Callaghan Way to the Kosciuszko Circle ramp and Morrissey Boulevard from Bianculli Boulevard to Savin Hill Avenue in the City of Boston’s Dorchester neighborhood

Monday, March 18, 2024 – Friday, April 5, 2024 – 7 a.m. – 3 p.m.

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