The shields for Vermont's primary and auxiliary Interstate highways. There are four primary Interstate highways and two auxiliary Interstate highways in Vermont. Interstate 89 (I-89) - Runs from the New Hampshire state line on the Connecticut River in Hartford, VT to the United States-Canada border in Highgate, VT. Interstate 91 (I-91) - Runs from the Massachusetts state line in Guilford, VT to the United States-Canada border at Derby Line, VT. Interstate 92 (I-92) - Runs from the New York state line  near Castleton, VT to the New Hampshire state line on the Connecticut River near Fairlee, VT. Interstate 93 (I-93) - Runs from the New Hampshire state line on the Connecticut River in Waterford, VT to I-91 in St. Johnsbury. Interstate 189 (I-189) - Runs from I-89 in South Burlington to US 7 in South Burlington. Interstate 289 (I-289) - Runs from I-89 in Colchester to I-89 in Williston.