Main Street runs north through Rocky Hill as a two-lane undivided road.

Photo taken November 2009.

The roads widens to four lanes. There is an intersection with Elm Street (CT 160) and Glastonbury Avenue (CT 160) at a traffic light. At this point, CT 99 changes names to become Silas Deane Highway.

Photos taken November 2009.

Silas Deane Highway runs north as a four-lane undivided road.

Photos taken July 2016.

There is an interchange with I-91.

Photos taken July 2016.

Welcome to Wethersfield!

Photos taken July 2016.

There is a traffic light at Maple Street (CT 3). Turn right to go north or left to go south.

Photos taken July 2016.

There is a traffic light at Wells Road (CT 175).

Photos taken July 2016.

Silas Deane Highway continues north toward Hartford.

Photos taken July 2016.

There is a traffic light at Jordan Lane (CT 314).

Photos taken July 2016.

There is an interchange with the Wilbur Cross Highway (US 5/CT 15). Immediately thereafter, CT 99 ends at the Hartford city. Silas Deane Highway becomes Wethersfield Avenue.

Photos taken July 2016.