Interstate 84 In Connecticut
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Interstate 84 (I-84) is an east–west
Interstate Highway The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly known as the Interstate Highway System, is a network of controlled-access highways that forms part of the National Highway System in the United States. T ...
across the state of
Connecticut Connecticut () is the southernmost state in the New England region of the Northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, New York (state), New York to the west, and Long Island Sound to the ...
through
Danbury Danbury is a city in Fairfield County, Connecticut, United States, located approximately northeast of New York City. Danbury's population as of 2022 was 87,642. It is the seventh largest city in Connecticut. Danbury is nicknamed the "Hat City ...
, Waterbury,
Hartford Hartford is the capital city of the U.S. state of Connecticut. It was the seat of Hartford County until Connecticut disbanded county government in 1960. It is the core city in the Greater Hartford metropolitan area. Census estimates since t ...
, and Union.


Route description

I-84 enters
Danbury Danbury is a city in Fairfield County, Connecticut, United States, located approximately northeast of New York City. Danbury's population as of 2022 was 87,642. It is the seventh largest city in Connecticut. Danbury is nicknamed the "Hat City ...
from the town of
Southeast, New York Southeast is a town in Putnam County, New York, United States, so named for its location in the southeastern corner of the county. The population was 18,058 at the 2020 census. The town as a whole is informally referred to as Brewster, the town's ...
, and is designated the Yankee Expressway for the next . About to the east, US Route 7 (US 7) joins from the south at exit 3 near Danbury Fair as I-84 turns north. At the next exit, US 6 and US 202 join to form a four-way concurrency for the next to exit 7, when US 7 and US 202 split off north toward New Milford. US 6 leaves the Interstate at the following exit, as I-84 climbs away from Danbury into the more rural towns of
Bethel Bethel ( he, בֵּית אֵל, translit=Bēṯ 'Ēl, "House of El" or "House of God",Bleeker and Widegren, 1988, p. 257. also transliterated ''Beth El'', ''Beth-El'', ''Beit El''; el, Βαιθήλ; la, Bethel) was an ancient Israelite sanc ...
and Brookfield. US 6 rejoins I-84 at exit 10, and, at exit 11, it turns to the northeast and descends to cross the
Housatonic River The Housatonic River ( ) is a river, approximately long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map , accessed April 1, 2011 in western Massachusetts and western Connecticut in the United S ...
on the Rochambeau Bridge, into
New Haven County New Haven County is a county in the south central part of the U.S. state of Connecticut. As of the 2020 census, the population was 864,835, making it the third-most populous county in Connecticut. Two of the state's top 5 largest cities, Ne ...
. After US 6 leaves once again at exit 15 in Southbury, I-84 proceeds through hilly terrain into Middlebury, becoming more of an urban freeway as it enters the city of Waterbury, where it intersects the Route 8 expressway and crosses the
Naugatuck River The Naugatuck River is a U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed April 1, 2011 river in the U.S. state of Connecticut. Its waters carve out the Naugatuck River Valley in the w ...
on an elevated dual-decked viaduct known locally as the Mixmaster. After passing through
Cheshire Cheshire ( ) is a ceremonial and historic county in North West England, bordered by Wales to the west, Merseyside and Greater Manchester to the north, Derbyshire to the east, and Staffordshire and Shropshire to the south. Cheshire's county tow ...
, I-84 intersects the western end of
I-691 Interstate 691 (I-691) is an auxiliary Interstate Highway in Connecticut beginning at I-91 in Meriden and ending at I-84 near the Cheshire–Southington town line. According to the Federal Highway Administration, it is in length; howev ...
at the Cheshire–
Southington Southington is a town in Hartford County, Connecticut, United States. As of the 2020 United States Census, it had a population of 43,501. Southington contains the villages of Marion, Milldale, and Plantsville. Geography Southington is situ ...
town line, which is also the New Haven–
Hartford Hartford is the capital city of the U.S. state of Connecticut. It was the seat of Hartford County until Connecticut disbanded county government in 1960. It is the core city in the Greater Hartford metropolitan area. Census estimates since t ...
county line. I-84 turns more northerly for a stretch to exit 31 ( Route 229), which provides access to Lake Compounce and
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World Headquarters. The freeway heads more northeasterly to Plainville, where it has a brief concurrency with Route 72 to the
New Britain New Britain ( tpi, Niu Briten) is the largest island in the Bismarck Archipelago, part of the Islands Region of Papua New Guinea. It is separated from New Guinea by a northwest corner of the Solomon Sea (or with an island hop of Umboi the D ...
city line. From the Route 72 junction through
Farmington Farmington may refer to: Places Canada *Farmington, British Columbia * Farmington, Nova Scotia (disambiguation) United States *Farmington, Arkansas *Farmington, California *Farmington, Connecticut *Farmington, Delaware * Farmington, Georgia * ...
,
West Hartford West Hartford is a town in Hartford County, Connecticut, United States, west of downtown Hartford. The population was 64,083 at the 2020 census. The town's popular downtown area is colloquially known as "West Hartford Center," or simply "The ...
, and into
Hartford Hartford is the capital city of the U.S. state of Connecticut. It was the seat of Hartford County until Connecticut disbanded county government in 1960. It is the core city in the Greater Hartford metropolitan area. Census estimates since t ...
, I-84 has many left-hand exits and entrances and sharp curves, which were built for a planned network of freeways. In Farmington, US6  joins I-84 once again at exit 38 and both meet the northern end of the Route 9 expressway at a half-used multilevel stack interchange that was originally planned to be part of the mostly-canceled
I-291 Interstate 291 is the designation for two Interstate Highways in the United States, both of which are related to Interstate 91: *Interstate 291 (Massachusetts), a connector to Interstate 90/Massachusetts Turnpike in Springfield *Interstate 291 (Conn ...
Hartford Beltway. I-84 and US 6 pass through West Hartford into Hartford (the largest city along the length of the eastern I-84) where they intersect
I-91 Interstate 91 (I-91) is an Interstate Highway in the New England region of the United States. It provides the primary north–south thoroughfare in the western part of the region. The Interstate generally follows the course of the Connecti ...
, just before US 44 briefly joins to cross the
Connecticut River The Connecticut River is the longest river in the New England region of the United States, flowing roughly southward for through four states. It rises 300 yards (270 m) south of the U.S. border with Quebec, Canada, and discharges at Long Islan ...
into
East Hartford East Hartford is a town in Hartford County, Connecticut, United States. The population was 51,045 at the 2020 census. The town is located on the east bank of the Connecticut River, directly across from Hartford, Connecticut. It is home to aerospa ...
on the Bulkeley Bridge, which is the oldest bridge on the Interstate System. After the bridge, US 44 leaves, the name of the highway changes to the Lieutenant Brian L. Aselton Memorial Highway, and I-84 meets the Route 2 expressway, which provides access to the southeastern suburbs of Hartford. As I-84 passes the northern end of the Route 15 expressway, it inherits the Wilbur Cross Highway name for the rest of its length. From 1968 until 1984, the I-84 designation ended here, and the highway became I-86 for the rest of its length, as I-84 was once planned to be built east toward
Providence, Rhode Island Providence is the capital and most populous city of the U.S. state of Rhode Island. One of the oldest cities in New England, it was founded in 1636 by Roger Williams, a Reformed Baptist theologian and religious exile from the Massachusetts ...
. I-84 intersects one of the remnants of the abandoned project, I-384, as part of a series of complex interchanges in
Manchester Manchester () is a city in Greater Manchester, England. It had a population of 552,000 in 2021. It is bordered by the Cheshire Plain to the south, the Pennines to the north and east, and the neighbouring city of Salford to the west. The ...
including the end of the US 6 concurrency at exit 60, and a connection to the only built as originally planned portion of I-291 at exit 61. Beyond Manchester, I-84 climbs steadily from the Connecticut River Valley and passes through the
Tolland County Tolland County is a county in the northeastern part of the U.S. state of Connecticut. As of the 2020 census, its population was 149,788. It is incorporated into 13 towns and was originally formed on 13 October 1785 from portions of eastern ...
towns of Vernon, Tolland, and Willington. After briefly entering the Windham County town of
Ashford Ashford may refer to: Places Australia *Ashford, New South Wales *Ashford, South Australia *Electoral district of Ashford, South Australia Ireland *Ashford, County Wicklow *Ashford Castle, County Galway United Kingdom *Ashford, Kent, a town **B ...
, it reenters Tolland County in the town of Union. After exit 74 ( Route 171), I-84 crosses the
Massachusetts Massachusetts (Massachusett: ''Muhsachuweesut Massachusett_writing_systems.html" ;"title="nowiki/> məhswatʃəwiːsət.html" ;"title="Massachusett writing systems">məhswatʃəwiːsət">Massachusett writing systems">məhswatʃəwiːsət'' En ...
state line. All lanes eventually enter into
Sturbridge Sturbridge is a town in Worcester County, Massachusetts, United States. It is home to Old Sturbridge Village living history museum and other sites of historical interest such as Tantiusques. The population was 9,867 at the 2020 census, with more ...
, but the westbound lanes pass briefly through the town of
Holland Holland is a geographical regionG. Geerts & H. Heestermans, 1981, ''Groot Woordenboek der Nederlandse Taal. Deel I'', Van Dale Lexicografie, Utrecht, p 1105 and former Provinces of the Netherlands, province on the western coast of the Netherland ...
before entering Sturbridge. later, I-84 reaches its eastern terminus at the
Massachusetts Turnpike The Massachusetts Turnpike (colloquially "Mass Pike" or "the Pike") is a toll highway in the US state of Massachusetts that is maintained by the Massachusetts Department of Transportation (MassDOT). The turnpike begins at the New York state li ...
(
I-90 Interstate 90 (I-90) is an east–west transcontinental freeway and the longest Interstate Highway in the United States at . It begins in Seattle, Washington, and travels through the Pacific Northwest, Mountain West, Great Plains, Midwest, an ...
).


History


New York to Hartford

I-84 opened in stages from the New York State Line in Danbury starting in 1961, finally connecting to Hartford in 1969. In Hartford, it crossed the Bulkeley Bridge and continued along the existing Wilbur Cross Highway to Massachusetts. This western segment was briefly redesignated I-86.


1970s route east of Hartford

A highway connecting Hartford and
Providence Providence often refers to: * Providentia, the divine personification of foresight in ancient Roman religion * Divine providence, divinely ordained events and outcomes in Christianity * Providence, Rhode Island, the capital of Rhode Island in the ...
was first brought up in 1944 as an upgrade to US 6 from
Manchester Manchester () is a city in Greater Manchester, England. It had a population of 552,000 in 2021. It is bordered by the Cheshire Plain to the south, the Pennines to the north and east, and the neighbouring city of Salford to the west. The ...
to the
Rhode Island Rhode Island (, like ''road'') is a U.S. state, state in the New England region of the Northeastern United States. It is the List of U.S. states by area, smallest U.S. state by area and the List of states and territories of the United States ...
state line. The plan eventually adapted to a submission to the 1956 Interstate Highway Plan but was declined. It was resubmitted in the 1968 plan and was granted along with of Interstate. The highway was firstly designated as Interstate 82 (I-82) but was changed shortly after to its well-known designation, Interstate 84 (I-84). In 1970 through 1973, the first segments of the highway started construction, the segment now designated as I-384, and the Willimantic Bypass. When these isolated segments were completed, they were designated for the future Interstate, starkly different from today's signs. The signs remained on the Willimantic Bypass up to a decade after the cancellation of the project. The planned I-84 was going to also incorporate a cloverleaf intersection with I-295 in
Johnston, Rhode Island Johnston is a town in Providence County, Rhode Island, United States. The population was 29,568 at the 2020 census. Johnston is the site of the Clemence Irons House (1691), a stone-ender museum, and the only landfill in Rhode Island. Incorpora ...
, and use the under-construction Dennis J. Roberts Expressway and built
Huntington Expressway Route 10 is a numbered state highway connector in the U.S. state of Rhode Island, traveling along the Huntington Expressway, the first freeway in the state. It connects Route 12 (Park Avenue) on the Cranston–Providence city line wit ...
to Providence before the project was shelved. Briefly, there was an idea to use the southern/unused portion of the highway for Interstate 184 (I-184) but was disapproved by the FHA. An environmental study by the
Rhode Island Department of Transportation The Rhode Island Department of Transportation (RIDOT) is a Rhode Island state government agency charged with design, construction, maintenance and inspection of a wide range of transportation infrastructure. These include 3,300 lane miles of stat ...
(RIDOT) was done in 1972; it was found the highway would cause heavy impact to Scituate Reservoir, the main drinking supply for Providence. After conducting multiple other studies, including briefly considering an alternate southern alignment that would bypass the Scituate Reservoir to the south and connected I-84 to the Route 37 Expressway, Rhode Island ended up canceling their segment of the highway in 1982, which ended up causing Connecticut to cut the segment to I-395 in Plainfield. Without Rhode Island, the highway was fully canceled in 1983, and the mileage was returned for other projects. After the highway was canceled, the only inland route to Providence from Hartford was either US 44 or US 6. Many projects have since happened to improve the roads, mainly in Connecticut. One major one was improving the "Suicide 6" area of US 6 between
Bolton Bolton (, locally ) is a large town in Greater Manchester in North West England, formerly a part of Lancashire. A former mill town, Bolton has been a production centre for textiles since Flemish weavers settled in the area in the 14th ...
and Columbia. Since the cancelation, other plans to have a freeway link between the two built segments have been proposed, including one in 2001, but was short lived, only lasting to 2003 before becoming dormant. In the 1992 long-range transportation plan released by RIDOT, a freeway has been added along the original route of I-84 that will connect to the Route 695 freeway on the Rhode Island–
Connecticut Connecticut () is the southernmost state in the New England region of the Northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, New York (state), New York to the west, and Long Island Sound to the ...
border.


I-86 relation

The section of I-84 between
East Hartford, Connecticut East Hartford is a town in Hartford County, Connecticut, United States. The population was 51,045 at the 2020 census. The town is located on the east bank of the Connecticut River, directly across from Hartford, Connecticut. It is home to aerospac ...
, (at the present-day junction with I-384) and
Sturbridge, Massachusetts Sturbridge is a town in Worcester County, Massachusetts, United States. It is home to Old Sturbridge Village living history museum and other sites of historical interest such as Tantiusques. The population was 9,867 at the 2020 census, with mo ...
, (
I-90 Interstate 90 (I-90) is an east–west transcontinental freeway and the longest Interstate Highway in the United States at . It begins in Seattle, Washington, and travels through the Pacific Northwest, Mountain West, Great Plains, Midwest, an ...
) was for a time signed as I-86 (unrelated to present-day
I-86 Interstate 86 may refer to any of three unconnected Interstate Highways in the United States: * Interstate 86 (Pennsylvania–New York) * Interstate 86 (Idaho) * Interstate 84 (Pennsylvania–Massachusetts) Interstate 84 (I-84) is an I ...
in
New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...
and
Pennsylvania Pennsylvania (; ( Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, ...
). Signs stating "I-84 Ends, I-86 to
Boston Boston (), officially the City of Boston, is the state capital and most populous city of the Commonwealth of Massachusetts, as well as the cultural and financial center of the New England region of the United States. It is the 24th- mo ...
" (eastbound) and "I-86 Ends, I-84 to Hartford" (westbound) were posted where the change took place. Exit numbering on I-86 was that of the road's predecessor, Route 15, in a sequence beginning on New York's
Hutchinson River Parkway The Hutchinson River Parkway (known colloquially as The Hutch) is a north–south parkway in southern New York in the United States. It extends for from the massive Bruckner Interchange in the Throggs Neck section of the Bronx to the New York ...
. Exits were renumbered to correspond with the rest of I-84 in Connecticut when the road was redesignated in 1984. The present I-384 as well as the present US 6 bypass near Willimantic, both of which were a part of what was then I-84's planned easterly continuation, were also numbered I-84 prior to 1984 even though they lacked any direct connection to the rest of I-84 at that time. (One had to use Silver Lane in East Hartford to travel between the two stretches of the highway.) These two sections were renumbered. The western segment became I-384, and the eastern one became part of US 6 when what was then I-86 was renumbered I-84.


Upgrades

Sections of I-84 in Connecticut were reconstructed and widened from the mid 1970s into the mid 1980s. Another section through Danbury was widened from four lanes to six lanes in 1985 and 1986. Widening of the highway through Danbury was funded by
Union Carbide Union Carbide Corporation is an American chemical corporation wholly owned subsidiary (since February 6, 2001) by Dow Chemical Company. Union Carbide produces chemicals and polymers that undergo one or more further conversions by customers befor ...
as part of building its world headquarters in Danbury. From roughly 1976 to 1988 the former I-86 portion from East Hartford to the Massachusetts state line was completely rebuilt from a narrow four-lane parkway to a much wider profile ranging from six lanes at the Massachusetts state line, expanding to eight lanes in Vernon, to 12 lanes with
high-occupancy vehicle lane A high-occupancy vehicle lane (also known as an HOV lane, carpool lane, diamond lane, 2+ lane, and transit lane or T2 or T3 lanes) is a restricted traffic lane reserved for the exclusive use of vehicles with a driver and one or more passengers, i ...
s (HOV lanes) in East Hartford. The original route, then known as Route 15, featured pit latrines at its pull-offs or rest areas. As of 2014, planning is underway for the I-84 Hartford Project to replace and possibly redesign a stretch of mostly elevated highway in Hartford. On April 22, 2015, construction began on widening the highway from exit 23 to exit 25A in Waterbury from four lanes to six lanes. A widening project along the congested stretch of I-84 through Waterbury and
Cheshire Cheshire ( ) is a ceremonial and historic county in North West England, bordered by Wales to the west, Merseyside and Greater Manchester to the north, Derbyshire to the east, and Staffordshire and Shropshire to the south. Cheshire's county tow ...
has been beset by cost overruns, delays, and construction defects involving storm drains, as state and federal officials have launched criminal investigations stemming from this project. This episode has waned local enthusiasm for a proposed $2-billion reconstruction of the Mixmaster interchange in downtown Waterbury. Cost estimates for the Mixmaster replacement have increased to $3 billion. Connecticut Attorney-General
Richard Blumenthal Richard Blumenthal (; born February 13, 1946) is an American lawyer and politician who is the senior United States senator from Connecticut, a seat he has held since 2011. A member of the Democratic Party, he is one of the wealthiest members of ...
has begun a lawsuit against the contractor and an engineering firm in response to threats from the
US Department of Transportation The United States Department of Transportation (USDOT or DOT) is one of the executive departments of the U.S. federal government. It is headed by the secretary of transportation, who reports directly to the President of the United States and ...
(USDOT) to withhold funds from the project. On May 18, 2007, the ''
Republican-American The ''Republican-American'' is a conservative-leaning, family-owned newspaper based in Waterbury, Connecticut established in 1990 through merger of two newspapers under the same ownership: ''Waterbury American'' and ''Waterbury Republican''. The ...
'' reported this area had defective light poles, while Governor
Jodi Rell Mary Carolyn "Jodi" Rell (née Reavis; born June 16, 1946) is an American former Republican politician and the 87th governor of Connecticut from 2004 until 2011. Rell also served as the state's 105th lieutenant governor of Connecticut. Rell was C ...
released an audit report of the construction disaster.


Future

The I-84 Hartford Project is a
Connecticut Department of Transportation The Connecticut Department of Transportation (often referred to as CTDOT and occasionally ConnDOT, or CDOT) is responsible for the development and operation of highways, railroads, mass transit systems, ports and waterways in Connecticut. ...
(CTDOT) project to address structural deficiencies within the I-84 corridor approximately between Flatbush Avenue (exit 45) and the
I-91 Interstate 91 (I-91) is an Interstate Highway in the New England region of the United States. It provides the primary north–south thoroughfare in the western part of the region. The Interstate generally follows the course of the Connecti ...
interchange in
Hartford Hartford is the capital city of the U.S. state of Connecticut. It was the seat of Hartford County until Connecticut disbanded county government in 1960. It is the core city in the Greater Hartford metropolitan area. Census estimates since t ...
, including a elevated section known as the Aetna Viaduct. Since it became apparent in the 1980s that this section of I-84 in Hartford was deteriorating, CTDOT has considered how best to repair or reconstruct the corridor. Since that time, many inspections have been carried out and frequent repairs made to keep the highway safe and functioning. In 2010, the Capitol Region Council of Governments (CRCOG), the City of Hartford, and CTDOT collaborated on a study of the corridor to begin the process of exploring reconstruction options. That study looked at several concepts, including the rebuilding of the viaduct "in-kind", as well as several reconstruction alternatives that would alter the configuration of the highway. The alternatives developed for that study were conceptual in nature—they did not look in depth at traffic, engineering feasibility, or environmental impact. However, the strong stakeholder input as part of that effort was helpful in leading to CTDOT's decision to initiate the I-84 Hartford Project, to build on the good work of that earlier study. The I-84 Hartford Project will be a full and comprehensive evaluation leading to a workable solution. The I-84 Hartford Project will examine the feasibility and assess the impact of a range of concepts. Following full examination of the impacts and benefits of feasible alternatives, and, in collaboration with stakeholders and the public, CTDOT will make a final decision on how to reconstruct this section of the I-84 corridor.


Exit list


Auxiliary routes


References


External links

{{state detail page browse, type=I, route=84, dab=Pennsylvania–Massachusetts, state=Connecticut, statebefore=New York, stateafter=Massachusetts 84 Connecticut Transportation in Fairfield County, Connecticut Transportation in New Haven County, Connecticut Transportation in Hartford County, Connecticut Transportation in Tolland County, Connecticut Transportation in Windham County, Connecticut