AMP: 0 Location: Granville Rd and Hartland Blvd, Hartland Reassurance shield as SR 819 begins. 819 carries former Connecticut 179 up to the Mass. line. AMP: 3 Location: Granville Rd and East Hartland Rd, Hartland Three miles later, SR 819 ends at the Massachusetts line and continues as a town road into Granville, Mass. W … Continue reading Connecticut State Road 819, CT 20 to MA State Line