Charlotte Hungerford Outpatient Facility. 540 Litchfield Street. Torrington, CT 06790. From I-91, take Exit 35 B. Make a right off ramp (I-91 S) or left (I-91 N) onto Rt. 218 W. This becomes Cottage Grove Road. Follow Cottage Grove Road for approximately 3.5 miles. (You will pass the Copaco Shopping Center and cross railroad tracks.).