ArcGIS REST Services Directory
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Legend (Econ/Transportation)

Primary Roads Interstates 5M scale (0)
Primary Roads 2_1M scale (1)
Primary Roads (2)
Secondary Roads Interstates and US Highways (3)
Secondary Roads 578k scale (4)
Interstates and US Highways Interstates and US Highways
Other Roads Other Roads
Secondary Roads 289_144k scale (5)
Interstates and US Highways Interstates and US Highways
Other Roads Other Roads
Secondary Roads 72_1k scale (6)
Interstates and US Highways Interstates and US Highways
Other Roads Other Roads
Local Roads 72k scale (7)
Local Roads (8)
Railroads (9)