Indian route (United States)
Encyclopedia
An Indian route is a type of minor numbered road in the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 found on some Indian reservations. The routes are signed by shields featuring a downward-pointing arrowhead
Arrowhead
An arrowhead is a tip, usually sharpened, added to an arrow to make it more deadly or to fulfill some special purpose. Historically arrowheads were made of stone and of organic materials; as human civilization progressed other materials were used...

 with varying designs depending on the state
U.S. state
A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

and/or reservation.
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