This article needs additional citations for verification. (November 2023) |
Henry D. Altobello Highway | ||||
I-691 highlighted in red | ||||
Route information | ||||
Auxiliary route of I-91 | ||||
Maintained by CTDOT | ||||
Length | 8.38 mi[1] (13.49 km) | |||
Existed | 1988 (completed)–present | |||
NHS | Entire route | |||
Major junctions | ||||
West end | ![]() | |||
![]() | ||||
East end | ![]() ![]() ![]() | |||
Location | ||||
Country | United States | |||
State | Connecticut | |||
Counties | Hartford, New Haven | |||
Highway system | ||||
| ||||
|
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 8.38 miles (13.49 km) in length;[1] however, the Connecticut Department of Transportation (CTDOT) includes the 0.54 miles (0.87 km) of the exit ramp that I-691 uses to the merge with westbound I-84, making their recorded length 8.92 miles (14.36 km) long.[2]
I-691 is also known as the Henry D. Altobello Highway for its entire length.