Route 75, known as Ella T. Grasso Turnpike in Windsor Locks, proceeds north along the eastern perimeter of Bradley International Airport. In this area, it intersects with SSR 401, which leads to the airport. Further north along Route 75, one can access the indoor airport parking facility and the entrance to Crown Industrial Park. Upon entering the town of Suffield, the road becomes "South Street" as it heads into the town center, where the road name changes to South Main Street and North Main Street. Route 75 has junctions with Route 168 (towards Southwick) and Route 190 (towards Enfield) in Suffield center. In northern Suffield, Route 75 is known as North Street and eventually crosses the state line into Agawam, Massachusetts.