Massachusetts Route 66

Route 66
Route 66 highlighted in red
Route information
Maintained by MassDOT
Length	13.65 mi[1] (21.97 km)
Major junctions
West end	Route 112 in Huntington
East end	Route 9 in Northampton
Location
Country	United States
State	Massachusetts
Counties	Hampshire
Highway system
Massachusetts State Highway System Interstate US State
← Route 63 → Route 67

Route 66 is a state highway in the U.S. state of Massachusetts. The highway runs 13.65 miles (21.97 km) from Route 112 in Huntington east to Route 9 in Northampton. Route 66 connects the western Hampshire County towns of Huntington, Westhampton, and Northampton and passes through Smith College at its eastern end.