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Legend (Roadways/StateTouringRoutes)

Traffic Volume (Average Daily Traffic) (0)
Very Low (<400) Very Low (<400)
Low (>400 to 2,000) Low (>400 to 2,000)
Light (>2,000 to 10,000) Light (>2,000 to 10,000)
Busy (>10,000 to 25,000) Busy (>10,000 to 25,000)
Very Busy (>25,000) Very Busy (>25,000)
Pavement Type (1)
A Asphalt A Asphalt
C Concrete C Concrete
U Unpaved U Unpaved
Posted Speed Limit (2)
Less than 30 MPH Less than 30 MPH
30 MPH 30 MPH
35 MPH 35 MPH
40 MPH 40 MPH
45 MPH 45 MPH
50 MPH 50 MPH
55 MPH 55 MPH
Surface Condition (3)
Excellent (9 - 10) Excellent (9 - 10)
Good (7 - 8) Good (7 - 8)
Fair (6) Fair (6)
Poor (0 - 5) Poor (0 - 5)
Shoulder Width (4)
0 ft 0 ft
1 ft 1 ft
2 ft 2 ft
3 ft 3 ft
4 ft 4 ft
5 ft 5 ft
6 ft 6 ft
7 ft 7 ft
8 ft or greater 8 ft or greater