At that time, the Route 8 expressway had not yet been built and Route 73 had a slightly different alignment in Waterbury. Originally, Route 73 entered Waterbury on Watertown Avenue as it does today. However, east of Windsor Street, instead of heading directly onto the Route 8 expressway, Route 73 continued to follow Watertown Avenue southeast to West Main Street then turned east along West Main Street to end at the intersection with Thomaston Avenue, which was the original alignment of Route 8.
At that time, the Route 8 highway had not yet been constructed and Route 73 had a slightly different route in Waterbury. Originally, Route 73 entered Waterbury on Watertown Avenue as it does today. However, east of Windsor Street, instead of heading directly onto the Route 8 highway, Route 73 continued to follow Watertown Avenue southeast to West Main Street then turned east along West Main Street to end at the intersection with Thomaston Avenue, which was the original alignment of Route 8.