Monica Tibbits-Nutt

Massachusetts Transportation Secretary and CEO

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Last updated Oct 18, 2026

Stories

MBTA raises Orange Line speed limit to 55 mph between Assembly and North Station

Built World

In office

Orange Line trains can now hit 55 mph between Assembly and North Station, matching the speed already allowed between Assembly and Oak Grove. The limit was 40 mph as recently as 2025.

Updated Oct 18