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A highway shield or route marker is a sign denoting the route number of a highway, usually in the form of a symbolic shape with the route number enclosed. As the focus of the sign, the route number is usually the sign's largest element, with other items on the sign rendered in smaller sizes or contrasting colors. Highway shields are used by travellers, commuters, and all levels of government for identifying, navigating, and organising routes within a county, state, province, or country. Simplified highway shields often appear on maps. == Purposes == There are several distinct uses for the highway shield: * Junction signs inform travelers that they are approaching an intersection with a numbered highway. * Guide signs inform travelers which way to go at intersections, usually with an arrow pointing the way. These include: * * Directional assemblies, which combine highway shields with separate cardinal direction signs and arrow signs on the same post, and * * Direction, position, or indication signs, which include highway shields as part of the sign legend. * Reassurance markers are used after major junctions and periodically in between to confirm the route and direction. * Trailblazer assemblies are posted on other roadways to "blaze the trail" to the highway in question, usually with a "TO" banner plate above the shield * Some jurisdictions place highway shields on highway location markers (kilometre or mile markers). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「highway shield」の詳細全文を読む スポンサード リンク
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