There were two secondary state highways in Washington numbered 11C:
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Primary State Highway 18 (Washington) — Infobox road state=WA type=PSH route=18 alternate name= maint= section= length mi= length round= length ref= length notes= established=1937 decommissioned=1964 direction a=West terminus a= junction= direction b=East terminus b= previous type=PSH… … Wikipedia
11C — 11C, 11 C or 11.C may refer to:* New York State Route 11C* Secondary State Highway 11C (Washington)ee alsoC11 … Wikipedia
New Hampshire Highway System — Standard marker for New Hampshire Routes, featuring the Old Man of the Mountain The New Hampshire Highway System is the public roads system of the U.S. state of … Wikipedia
