Route 111 is a

state highway A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either Route number, numbered or maintained by a sub-national state or province. A road numbered ...

in southwestern

Connecticut Connecticut ( ) is a U.S. state, state in the New England region of the Northeastern United States. It borders Rhode Island to the east, Massachusetts to the north, New York (state), New York to the west, and Long Island Sound to the south. ...

, United States, running from the

Merritt Parkway The Merritt Parkway (also known locally as "The Merritt") is a controlled-access parkway in Fairfield County, Connecticut, with a small section at the northern end in New Haven County. Designed for Connecticut's Gold Coast, the parkway is k ...

( Route 15) in Trumbull to Route 34 in

Monroe Monroe or Monroes may refer to: People and fictional characters * Monroe (surname) * Monroe (given name) * James Monroe, 5th President of the United States * Marilyn Monroe, actress and model Places United States * Monroe, Arkansas, an unincorp ...

. The junction with the Merritt Parkway is currently the only

single-point urban interchange A single-point urban interchange (SPUI, or ), also called a single-point interchange (SPI) or single-point diamond interchange (SPDI), is a type of highway interchange. The design was created in order to help move large volumes of traffic th ...

(SPUI) in the entire state.

Route description

Route 111 starts as Main Street at an intersection with the

( Route 15) in Trumbull, just north of the

Bridgeport Bridgeport is the most populous city in the U.S. state of Connecticut and the fifth-most populous city in New England, with a population of 148,654 in 2020. Located in eastern Fairfield County at the mouth of the Pequonnock River on Long Is ...

city line. South of Route 15, Main Street continues for another to the Bridgeport line as an unsigned state highway with designation State Road 731 and provides access to

Trumbull Mall Trumbull Mall (formerly known as Westfield Trumbull, Westfield Shoppingtown Trumbull, and Trumbull Shopping Park) is a shopping mall located in Trumbull, Connecticut. It was the first enclosed shopping mall in Connecticut upon opening in 1964. Th ...

. Route 111 proceeds north, traveling near Island Brook Park, before intersecting Route 127 about north of Route 15. Route 111 continues north, paralleling Route 25 through the Long Hill section of Trumbull, then turns northeast to intersecting Route 25. Beyond the junction with Route 25, Route 111 is known as the Monroe Turnpike, which heads on a northerly track towards

. It passes by the Century Plaza shopping center in Monroe and intersects Route 110 at the town center. It continues north, reaching its end at Route 34 in the Stevenson section of Monroe.

History

The road from Trumbull to

Stevenson Stevenson is an English language patronymic surname meaning "son of Steven". Its first historical record is from pre-10th-century England. Another origin of the name is as a toponymic surname related to the place Stevenstone in Devon, England. The ...

via Monroe center was chartered as a turnpike in May 1826 and was formally known as the Monroe and Zoar Bridge Turnpike. Operations of the turnpike continued through 1852 when the portion north of Monroe center was discontinued. At that time, the road from Bridgeport to Trumbull was already a toll road known as the

Bridgeport and Newtown Turnpike Route 25 is a , primary state highway connecting the city of Bridgeport and the town of Brookfield in the U.S. state of Connecticut. Route 25 is a six-lane freeway from Bridgeport to northern Trumbull and a two-lane surface road the ...

, connecting its namesake towns and had been in operation since 1801. In 1922, the former Monroe and Zoar Bridge Turnpike (more commonly known as simply the Monroe Turnpike) became part of the Connecticut state highway system. It was given the designation State Highway 308 and ran from modern Route 25 to modern Route 34. The continuation into Bridgeport, which would later become Route 25, was at the time part of State Highway 122. Modern Route 111 was created in the 1932 state highway renumbering from old State Highway 308. In 1982, with the opening of the Route 25 freeway, the former southern section of Route 25 within Trumbull was reassigned to Route 111, while the portion in Bridgeport reverted to the town.Connecticut Routes, Route 111
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Junction list

References

{{Attached KML, display=title,inline Monroe, Connecticut Trumbull, Connecticut 111 Transportation in Fairfield County, Connecticut