Connecticut Route 166

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Route 166 marker

Route 166
Route information
Maintained by ConnDOT
Length: 1.62 mi[1] (2.61 km)
Existed: 1935 – present
Major junctions
West end: Route 153 in Westbrook
  I‑95 / Conn. Tpk. in Old Saybrook
East end: US 1 in Old Saybrook
Highway system
Route 165 Route 167

Route 166 is a minor state highway in southern Connecticut running from Westbrook to Old Saybrook. The route primarily serves as a connector from I-95 to the Saybrook Manor section of Old Saybrook.

Route description[edit]

Route 166 begins at an intersection with Route 153 in eastern part of the town of Westbrook. It heads east, roughly paralleling I-95 on the north, into the town of Old Saybrook. Along the way, it passes by the Westbrook Block company just before crossing the town line. In Old Saybrook, it turns south, crossing I-95 along the Rosario Aloisio Memorial Bridge, with an interchange at Exit 66. It continues southeast over Amtrak railroadtracks to end at an intersection with US 1 in the western part of Old Saybrook. The entire route is known as Spencer Plains Road and is classified as a minor arterial road carrying average daily volumes of 5,600 vehicles per day.[1]

History[edit]

Route 166 was established from town roads in 1935, and has had no major changes in alignment or designation since.[2]

Junction list[edit]

The entire route is in Middlesex County.

Location Mile[1] km Destinations Notes
Westbrook 0.00 0.00 Route 153 – Westbrook, Essex
Old Saybrook 1.28 2.06 I‑95 / Conn. Tpk. – New London, New Haven Exit 66 (I-95)
1.62 2.61 US 1 – Old Saybrook, Grove Beach
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References[edit]

Route map: Google / Bing