Connecticut Route 154

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Connecticut Route 154 marker

Route 154
Map of Middlesex County in southern Connecticut with Route 154 highlighted in red
Route information
Maintained by ConnDOT
Length 28.24 mi[1] (45.45 km)
Existed 1932 (extended 1967) – present
Major junctions
South end US 1 in Old Saybrook
  I-95 / Conn. Turnpike in Old Saybrook
Route 9 in Old Saybrook and Essex
North end Route 9 in Higganum
Counties Middlesex
Highway system
  • Routes in Connecticut
Route 153 Route 155
Route 9 9A Route 10

Route 154 is a state highway in Connecticut running for 28.24 miles (45.45 km). It serves as one of the main thoroughfares in the town of Old Saybrook, intersecting twice with U.S. Route 1. North of I-95, Route 154 runs parallel to Route 9, along to the west bank of the Connecticut River. The route ends in Middletown at Route 9.

Route description[edit]

Route 154 just after US 1 in Old Saybrook

Route 154 begins at US 1 in Old Saybrook. It heads south on Great Hammock Road as it is parallel to the Long Island Sound. It becomes known as Plum Bank Road, shortly before turning eastward as Indianola Drive as it enters Knollwood. Maple Avenue turns on to Route 154 as it enters Fenwick. It passes by the Fenwick Golf Course just prior to passing over the South Cove. It becomes Bridge Street for a short time before executing a sharp turn to the west as College Street, and later Main Street.[2]

Route 154 soon turns north, passing just to the west of North Cove. It then becomes concurrent with US 1 prior to intersecting Interstate 95 as the Middlesex Turnpike. Proceeding north, it intersects Route 9 before passing near South Cove, a separate cove than the one previously crossed over, although they are both an extension of the Connecticut River.[3] It then intersects Route 9 again, before turning slightly east of north, and intersecting it for a third time. It then becomes known as Main Street while traveling parallel to the Connecticut River. It then intersects Route 148.[4]

Route 154 becomes known as Saybrook Road before becoming concurrent with Route 82. It passes near the Haddam Meadows State Park as it once again becomes known as the Middlesex Turnpike. It intersects Route 81 as it becomes known as Saybrook Road again. Route 154 travels closely parallel to Route 9 near its north end. At the exit 10 interchange of Route 9, Route 154 continues as the Route 9 northbound onramp for its last 0.2 miles (0.32 km), until it ends at the merge with northbound Route 9.[5]

The southern loop portion of Route 154 in Old Saybrook, from its beginning at Saybrook Manor (milepost 0.00) to the east junction with Old Boston Post Road in Old Saybrook Center (milepost 6.10) is a state scenic road. This portion of Route 154 serves the borough of Fenwick. The section of Route 154 in the town of Haddam (9.16 miles long) is also a state scenic road. This portion of the route runs alongside the west bank of the Connecticut River.[6]


The road connecting Old 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. In 1922, the Middlesex Turnpike alignment became part of New England Interstate Route 10 (renumbered to Route 9 in 1932). At the same time, a loop route in Old Saybrook, serving the borough of Fenwick was designated as State Highway 338.

Route 154 was established in 1932 as a renumbering of old State Highway 338. Its original route started at US 1 in Old Saybrook Center and followed Main Street then College Street to Saybrook Point, then continued through Fenwick along Maple Avenue to end at itself just south of the town center. In 1935, a section of Maple Avenue between Summerfield Road and Main Street was redesignated Route 154A and the western part of the loop moved to the current alignment along Plum Bank Road and Great Hammock Road (former SR 603). In 1963, Route 154A was turned over to the town of Old Saybrook.

In 1967, with the opening of the Route 9 freeway, the former surface route of Route 9 between US 1 and Essex Road in Old Saybrook was transferred to Route 154.[7] The rest of the former surface route of Route 9 became Route 9A in 1968. In 1986, the entire length of Route 9A was transferred to Route 154, extending the northern terminus to its current location in southern Middletown.[8]

Junction list[edit]

The entire route is in Middlesex County.

Location mi[1] km Destinations Notes
Old Saybrook 0.00 0.00 US 1 – Old Lyme, Westbrook
6.68 10.75 US 1 south – Westbrook Southern terminus of US 1 overlap
7.11 11.44 US 1 north to I-95 / Conn. Turnpike north – Old Lyme, New London Northern terminus of US 1 overlap
7.34 11.81 I-95 / Conn. Turnpike south – New Haven Exit 67 (I-95/Conn. Tpk.); I-95 northbound exit / I-95 southbound entrance only
8.64 13.90 Route 9 – Middletown, Old Lyme Exit 2 (Route 9)
Essex 11.09 17.85 Route 153 south – Westbrook
12.60 20.28 Route 9 – Old Saybrook, Middletown Exit 4 (Route 9)
Deep River 14.41 23.19 Route 80 west – Killingworth
Chester 16.33 26.28 Route 148 – Killingworth, Hadlyme Hadlyme via Chester-Hadlyme Ferry (April 1–November 30)
Haddam 19.10 30.74 Route 82 west to Route 9 Western terminus of 82 overlap
19.47 31.33 Route 82 east – East Haddam Eastern terminus of CT 82 overlap
25.71 41.38 Route 81 south – Killingworth, Clinton
Higganum 28.24 45.45 Route 9 – New Britain, Old Saybrook Exit 10 (Route 9); trumpet interchange
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b Connecticut Department of Transportation (2006). "Connecticut Route log" (PDF). Connecticut Department of Transportation. Archived from the original (PDF) on 2015-07-26. Retrieved 2008-02-05. 
  2. ^ Google (2008-02-05). "overview of Route 154 from Old Saybrook to Fenwick" (Map). Google Maps. Google. Retrieved 2008-02-05. 
  3. ^ Google (2008-02-05). "overview of Route 154 from Saybrook Point to Essex" (Map). Google Maps. Google. Retrieved 2008-02-05. 
  4. ^ Google (2008-02-05). "overview of Route 154 from Essex to East Haddam" (Map). Google Maps. Google. Retrieved 2008-02-05. 
  5. ^ Google (2008-02-05). "overview of Route 154 from East Haddam to Middletown" (Map). Google Maps. Google. Retrieved 2008-02-05. 
  6. ^ Connecticut Scenic Roads
  7. ^ "Rt. 9 Opening to Cause Road Number Changes". The Hartford Courant. January 2, 1967. p. 56. Retrieved April 14, 2018 – via  open access publication – free to read
  8. ^ "Route 154? No, Route 9A". Hartford Courant. July 10, 1992. p. 35. Retrieved April 14, 2018 – via  open access publication – free to read

External links[edit]

Route map: Google

KML is from Wikidata