AMP: 2 Location: Thompson Rd and Main St, Webster No signage as Mass. 193 begins. AMP: 1 Location: Thompson Rd and Lake St, Webster Almost a mile into the route, state maintenance begins. AMP: 1 Location: Thompson Rd and Lake St, Webster Reassurance shield after the state highway begins. AMP: 1 Location: Thompson Rd and … Continue reading Massachusetts Route 193, MA 12/MA 16 to I-395