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Wyoming highway route
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The map below shows the(se) route(s) during the years
listed:
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US 191
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1926 - 1982
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Note on roads through Yellowstone National Park:
Technically, there are no US highways in the Park. All designations
officially end at the Park boundaries - even US 20, 89, 191, and 287,
which resume on the opposite side. On these maps, however, I've
chosen to show these roads as continuous routes, since one would have
to select some route through the Park in order to continue on
the highway. For more information on this, please visit Andy Field's
page on the Grand
Loop Road.
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Wyoming highway route
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Click to view a map showing the(se) route(s) during
other years:
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US 91
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(Never served Wyoming)
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US 191
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1926 - 1982
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1982 - present
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