Interstate 691

Interstate 691 marker
Interstate 691
Henry D. Altobello Highway
Map
I-691 highlighted in red
Route information
Auxiliary route of I-91
Maintained by CTDOT
Length8.38 mi[1] (13.49 km)
Existed1988 (completed)–present
NHSEntire route
Major junctions
West end I-84 near Southington
Major intersections US 5 in Meriden
East end I-91 / Route 66 / Route 15 / Wilbur Cross Parkway in Meriden
Location
CountryUnited States
StateConnecticut
CountiesHartford, New Haven
Highway system
  • Connecticut State Highway System
I-684 US 1

Interstate 691 (I-691) is an auxiliary Interstate Highway in Connecticut beginning at I-91 in Meriden and ending at I-84 near the CheshireSouthington 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.

  1. ^ a b Starks, Edward (January 27, 2022). "Table 2: Auxiliary Routes of the Dwight D. Eisenhower National System of Interstate and Defense Highways". FHWA Route Log and Finder List. Federal Highway Administration. Retrieved December 11, 2022.
  2. ^ "Highway Log - Connecticut State Numbered Routes and Roads" (PDF). Connecticut Department of Transportation. December 31, 2014. Archived from the original (PDF) on September 5, 2015. Retrieved December 11, 2022.