AMP: 5 Location: County Home Rd and Thompson Rd, Thompson Reassurance shield as CT 21 begins. CT 21 is effectively a Putnam bypass on surface roads. AMP: 4 Location: County Home Rd and Robbins Rd, Thompson Reassurance shield a mile later. AMP: 4 Location: Liberty Hwy and Sayle Ave, Putnam A half mile after that, … Continue reading Connecticut Route 21, CT 193 to US-44