Interstate 691 is an auxiliary Interstate Highway in Connecticut running from I-84 in Southington east to I-91 in Meriden. According to the Federal Highway Administration, it is 8.38 miles in length; however, the Connecticut Department of Transportation includes the 0.54 miles of the exit ramp that I-691 uses to the merge with westbound I-84, making their recorded length 8.92 miles long. From Wikipedia
