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I-91 is mentioned in They Might Be Giants' "The End of the Tour", the last song off the "John Henry" album:
"Never to part since the day we met / Out on Interstate 91 / I was bent metal you were a flaming wreck / When we kissed at the overpass..."

I-291  Connecticut (link)

6.02 miles [1note]; from I-91 in Windsor to I-84 and I-384 in Manchester. Interstate 291 was to be a 26.4-mile, 270° beltway around Hartford; I-491 would handle the southeast route.

The Bissell Bridge over the Connecticut River opened in 1957, and was signed state route 291 until I-291 was constructed. I-291 completely opened on September 9, 1994.

For details, see I-291 at Connecticut Roads.


I-291  Massachusetts (link)

5.44 miles [1note]; from I-91 to I-90 in Springfield. The freeway actually ends a few yards beyond, at Burnett Road. The two I-291's in Connecticut and Massachusetts are the closest (about 25 miles) of any identically numbered 3di's.


A 1953 highway plan by the state Department of Public Works outlines a Springfield Expressway easily recognizable as an ancestor of today's I-291, leading from a proposed US 5 expressway (now I-91) to a proposed US 20 (near where the Mass Pike runs today). There was also an outer belt planned, roughly along MA 21 from I-91 to I-90, that was never built. [3note]

I-291 opened in the early 1970s. [2note]

See also:


I-391  Massachusetts (link)

4.46 miles [1note]; from I-91 in Springfield to near MA 116 in Holyoke.

An early ancestor of I-391 is part of a 1953 highway plan by the state Department of Public Works. The "major street with improvement" would have followed the MA 116 corridor in Chicopee. [3note]

Possibly impacting Interstate 391's schedule was the 1980 theft of over 40 tons of steel from a 391 construction site.

See also:


I-491 (cancelled)  Connecticut (link)

Never completed, the 8.2-mile Interstate 491 freeway would have gone northeast from I-91 in Wethersfield to where I-84, I-384, and I-291 meet now. It would have covered the one quadrant (southeast) of the Hartford metro area not served by the proposed I-291.

For details, see I-491 at Connecticut Roads.


I-691  Connecticut (link)

8.38 miles [1note]; Interstate 691 connects I-91 in Meriden to I-84 in Southington. It's 6 lanes wide in downtown Meriden, 4 lanes otherwise. The oldest section, from US 5 to I-91, opened circa 1965; the newest, from CT 10 to I-84, opened in 1988.

For details, see I-691 at Connecticut Roads.


  1. Route Log and Finder List - Interstate Highways, FHWA, Oct. 31, 2002.
  2. Lord Somnolent
  3. Chronos Historical Services. "1953 MASTER HIGHWAY PLAN for Spingfield MA metro area." Online posting, misc.transport.road, Aug. 15, 2003.