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 Other Roads Secondary Roads 289_144k scale (5) Interstates and US Highways Other Roads Secondary Roads 72_1k scale (6) Interstates and US Highways Other Roads Local Roads 72k scale (7) Local Roads (8) Railroads (9)