| Road Classifications (1) 
Roads (large scale) (2)
|   | Interstate |  
|   | Interstate Ramp |  
|   | Freeways and Expressways |  
|   | Arterials |  
|   | Collectors |  
|   | Industrial |  
|   | Residential |  
Roads (small scale) (3)
|   | Interstate Highway |  
|   | State Route or U.S. Highway |  
Railroads (4)
|   | Interstate Highway |  
|   | State Route or U.S. Highway |  
|   | Arterial |  
|   | Residential |  
|   | County Highway |  
|   | <all other values> |  
|   | Railroad Tracks |  |