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From page 1...
... SUMMARY Quality data are the foundation for making important decisions regarding the design, operation, and safety of roadways. With the passage of the Moving Ahead for Progress in the 21st Century (MAP-21)
From page 2...
... 2 statewide base map and support analysis of that data. Local agencies are collecting some of the roadway data elements that states are in most need of and most interested in collecting, including information regarding intersections, curves, and supplemental datasets, such as signs.

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