Interstate 155 is the designation for two Interstate Highways in the United States, both of which are related to Interstate 55:
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Interstate 155 (Illinois)
Interstate 155 (I-155) is a north–south spur of I-55 that provides an Interstate connection for the Illinois cities of Peoria and Lincoln. The northern terminus is just east of Peoria, at I-74 exit 101 in Morton. The southern term ...
, a spur to Peoria
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Interstate 155 (Missouri–Tennessee)
Interstate 155 (I-155) is an east–west auxiliary route of Interstate 55 (I-55) that runs through the Bootheel of Missouri and the northwestern corner of Tennessee. It begins south of Hayti, Missouri at I-55, passes eastward through Ca ...
, a spur to Dyersburg, Tennessee
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