This category contains articles about auxiliary (3-digit) routes of primary (1- or 2-digit) United States Numbered Highways.
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All items (30)
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U.S. Route 100
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U.S. Route 123
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U.S. Route 129
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U.S. Route 130
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U.S. Route 141
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U.S. Route 188
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U.S. Route 192
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U.S. Route 1A
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U.S. Route 201
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U.S. Route 202
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U.S. Route 206
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U.S. Route 221
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U.S. Route 231
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U.S. Route 278
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U.S. Route 280
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U.S. Route 281
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U.S. Route 301
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U.S. Route 302
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U.S. Route 319
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U.S. Route 331
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U.S. Route 341
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U.S. Route 378
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U.S. Route 389
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U.S. Route 401
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U.S. Route 411
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U.S. Route 421
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U.S. Route 441
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U.S. Route 550
