I-blank wide.svg
jalan di Amerika Serikat
כביש בארצות הברית
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Straße in den Vereinigten Staaten
Blank markers used for one- and two-digit or three-digit and suffixed Interstates
weg in de Verenigde Staten
route américaine
highway system
June 2011
Many terms, such as "clear zone" and "recovery area", are used that don't have explanations; many of these are red links, which are particularly unhelpful.
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Interstate Highway standards
Стандарти міжштатних автомагістралей США