Route 27 is a 73.44-mile-long (118.19 km) south–north state highway in eastern Massachusetts. Its southern terminus is at Route 106 in Kingston and its northern terminus is at Route 4 in Chelmsford. Along the way it intersects several major highways including Route 24 in Brockton, U.S. Route 1 in Walpole, Route 9 in Natick, US 20 in Wayland, and Route 2 in Acton.

Route 24 is a 40.91-mile-long (65.84 km) freeway south of Interstate 93 (I-93) in southeastern Massachusetts, linking Fall River with the Boston metropolitan area. It begins in the south in Fall River at the border with Tiverton, Rhode Island where it connects with Rhode Island Route 24, and runs north to an interchange with I-93/U.S. Route 1 in Randolph. Route 24 is also known as the Fall River Expressway, and officially as the Amvets Highway. Route 24 has a total of 21 interchanges