Interstate 291 is the designation for two Interstate Highways in the United States, both of which are related to Interstate 91:
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Interstate 291 (Massachusetts)
Interstate 291 (I-291), also known as the Springfield Expressway, is a auxiliary Interstate Highway in Massachusetts that links I-91 in downtown Springfield with I-90 ( Massachusetts Turnpike) in Chicopee. I-291 is roughly a northeast–south ...
, a connector to Interstate 90/Massachusetts Turnpike in Springfield
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Interstate 291 (Connecticut)
Interstate 291 (I-291) is a short auxiliary Interstate Highway in the state of Connecticut that starts at I-91 at its junction with Route 218 in Windsor and ends at I-84 in Manchester. It serves as a northeastern bypass of Hartford. ...
, a connector to Interstate 84 near Hartford
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