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Connecticut Route 9

Route 9 marker

Route 9
Route information
Maintained by ConnDOT
Length: 40.89 mi (65.81 km)
Existed: 1932 (truncated in 1969) – present
Major junctions
South end: I-95 / US 1 in Old Saybrook
  Route 17 / Route 66 in Middletown
I-91 in Cromwell
US 5 / Route 15 in Berlin
Route 72 in New Britain
North end: I-84 / US 6 at the FarmingtonWest Hartford town line
Counties: Middlesex, Hartford
Highway system
  • Routes in Connecticut
Route 8 Route 9A

Route 9 is a 40.89-mile (65.81 km), 4-lane freeway beginning in Old Saybrook and ending at the Farmington-West Hartford town line.


  • Route description 1
  • History 2
  • Exit list 3
  • References 4
  • External links 5

Route description

Route 9 begins at an interchange with I-95/U.S. 1, on the west banks of the Connecticut River. For about 29 miles (47 km) between Old Saybrook and Cromwell (passing through the towns of Essex, Deep River, Chester, Haddam, and Middletown), Route 9 follows the Connecticut River. After its junction with Interstate 91 in Cromwell, Route 9 continues westward then northward, running through the Hartford area towns/cities of Berlin, New Britain, Newington, and Farmington. At the junction with I-84/US 6 near the Farmington - West Hartford town line, Route 9 follows the ramps for eastbound I-84 and ends at the merge with I-84 immediately after crossing the town line.

Route 9 has a non-freeway portion in the downtown area of Middletown, where it overlaps with Route 17. The non-freeway portion is 0.35 miles (0.56 km) in length and consists of two at-grade intersections with traffic lights (signed as Exits 15 and 16), and one median break to allow access to and from Miller Street. One of these intersections is where Route 17 leaves Route 9 to join Route 66. ConnDOT may soon consider upgrading the at-grade interchanges of the expressway and make on/off ramps.[1]

The section from I-95 in Old Saybrook to I-91 in Cromwell is known as the Chester Bowles Highway. The section from I-91 in Cromwell to Exit 24 in Berlin is known as the Korean War Veterans Memorial Highway. The section from Route 72 in New Britain to Route 175 in Newington is known as the Taras Shevchenko Expressway. The section from Route 175 in Newington to the junction with I-84 is known as the Iwo Jima Memorial Expressway.


The road connecting Deep River (then known as Saybrook) and Wethersfield along the west bank of the Connecticut River was a toll road known as the Middlesex Turnpike, which operated from 1802 to 1876. Another toll road running from Hartford to the northwest corner of Granby was known as the Granby Turnpike and operated from 1800 to 1854.

The state took over maintenance of trunk highways at the beginning of the 20th century. In 1922, New England began publicly numbering its state roads. The road running from Old Saybrook to the Massachusetts state line in Granby was designated as part of Route 10, a multi-state route continuing all the way to northern New Hampshire. The portion of New England Route 10 in Connecticut used the alignments of the Middlesex and Granby Turnpikes. In the 1932 state highway renumbering, Route 10 was relocated to a different alignment beginning in New Haven instead. The Old Saybrook to Granby road was designated as Route 9.

In the mid-1950s and early 1960s, various plans for a freeway along the Route 9 alignment were developed. Construction also began on the Old Saybrook to Cromwell segment around this time. The freeway from I-95 to I-91 was completely open by 1969. Old Route 9 south of Middletown was re-designated as Route 9A (later to be designated as Route 154).

Several options were considered and then later abandoned for the freeway portion through Hartford and points north. By the mid-1960s, a Route 9 freeway alignment through Hartford was finally abandoned. Route 9 was truncated to end at I-91 in Cromwell instead. The portion of old Route 9 from Hartford to Granby was assigned as an extension of Route 189, while the Cromwell to Hartford segment that was not upgraded to freeway was re-designated as Route 99.

In 1979, the eastern end of the Route 72 freeway up to the Berlin Turnpike was completed, including a connector to the planned alignment of Interstate 291 in New Britain. By this time, however, this portion of Interstate 291 had been deleted from the state's Interstate network. By 1989, a freeway connection was completed between the north end of Route 9 at I-91 and the east end of Route 72 at the Berlin Turnpike. Route 72 was truncated to end at the I-291 connector while Route 9 was extended along the deleted portion of the Route 72 freeway. Route 9 also took over the I-291 connector, which was extended in 1986 to Route 175.

In 1992 Route 9 was finally connected to I-84 in Farmington using a portion of the cancelled I-291 right of way, completing Route 9 as it exists today. The segment between I-84 in Farmington and I-91 in Cromwell serves the areas through which the southwest leg of I-291 was to be built.

In the future ConnDOT will have plans to build the trumpet interchange at I-84/U.S. 6 and Route 9.

Exit list

County Location mi km Exit Destinations Notes
Middlesex Old Saybrook 0.3 0.5 I-95 / US 1 north – New London, Providence
0.4 0.6 I-95 / US 1 south – New Haven, N.Y. City
0.5 0.8 1 Essex Rd. – Ferry Point Northbound exit only.
1.5 2.4 2 Route 154 (Middlesex Turnpike) – Old Saybrook
Essex 3.9 6.3 3 Route 154 to Route 153 – Essex, Westbrook, Centerbrook
5.2 8.4 4 Route 154 (Middlesex Turnpike) – Centerbrook
Deep River 7.0 11.3 5 Route 80 – Deep River, Killingworth
Chester 8.9 14.3 6 Route 148 – Chester, Hadlyme
10.7 17.2 7 Route 82 east – East Haddam, Colchester, Moodus
Haddam 13.9 22.4 8 Beaver Meadow Road – Haddam
15.7 25.3 9 Route 81 – Higganum, Killingworth, Clinton
Middletown 19.4 31.2 10 Route 154 south / Aircraft Rd. – Higganum Pratt & Whitney plant
21.3 34.3 11 Route 155 west (Randolph Rd.) to Route 17 – Durham
22.4 36.0 12 Bow Lane – Harbor Area northbound exit and southbound entrance
22.9 36.9 12 Silver Street southbound exit and northbound entrance
23.3 37.5 13 Route 17 south – New Haven Southern end of CT 17 overlap. No northbound exit.
23.7 38.1 14 DeKoven Drive – Harbor Area Southbound exit and northbound entrance
23.9 38.5 15 Route 66 west – Middletown, Meriden At-grade intersection; Western end of CT 66 overlap
24.3 39.1 16 Route 17 north / Route 66 east – Portland, Willimantic At-grade intersection; Northeastern end of CT 17/66 overlap
24.5 39.4 (17) Miller Street, Bridge Street Unsigned exit (at-grade intersection)
Cromwell 25.4 40.9 18 Route 99 north – Cromwell, Rocky Hill Northbound exit and southbound entrance
27.6 44.4 19 Route 372 (West St.) – Cromwell
29.3 47.2 20
20N: I-91 north – Hartford, Springfield
20S: I-91 south – New Haven, N.Y. City
Hartford Berlin 31.7 51.0 21 Route 372 to US 5 / Route 15 north – East Berlin Northbound exit and southbound entrance
32.2 51.8 21 US 5 / Route 15 – Hartford, New Haven Southbound exit and entrance only
32.3 52.0 22 US 5 / Route 15 south – New Haven Northbound exit and entrance only
32.4 52.1 22 Route 372 (Mill St.) Southbound exit only. Northbound access at Exit 21.
33.0 53.1 23 Christian Lane – Berlin Southbound exit and northbound entrance
34.1 54.9 24 To Route 372 / Route 71 – Kensington Northbound left exit and southbound entrance
New Britain 35.1 56.5 25 To Route 71 / Ellis St. – Kensington
35.4 57.0 26 Columbus Blvd. – Downtown New Britain Northbound exit only
35.7 57.5 27 Chestnut St. Southbound exit and northbound entrance
36.0 57.9 28 Route 72 west to I-84 – Bristol
36.0 57.9 28A East Main St. – Downtown New Britain Southbound exit only.
Newington 38.0 61.2 29 Route 175 – Newington Northbound exit and southbound entrance
38.3 61.6 29 Ella Grasso Blvd.
To Route 175 – Newington
Southbound exit and northbound entrance
New Britain 39.5 63.6 30 Route 71 – Corbins Corner
W. Hartford
40.89 65.81 31
31: I-84 / US 6 east – Hartford
32: I-84 / US 6 west – Waterbury
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ "Connecticut Route 9". Retrieved 2010-01-02. 
  • Connecticut State Highway Log (2006)
  • - History of the many alignment changes Scott Oglesby
  • Connecticut Route 506 Scott Oglesby
  • - Route 9 Expressway Steve Anderson
  • CT 9 (Greater New York Roads)

External links

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