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Route Type Codes and Definitions

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Within Code Lists

Route Type Codes and Definitions

The route type code (RTTYP) describes the type of road. These codes can be found in the TIGER/Line products. The table below describes each code. For additional information about each road, see the definitions on the MAF/TIGER Feature Class Codes (MFTCC) page.

Route Type Code Route Type Code Description
C County
I Interstate
M Common Name
O Other
S State recognized
U U.S.

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Page Last Revised - December 16, 2021
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