Table 15. Hillsborough County Access Classification System and Standards
Minimum Spacing
Minimum Connection Spacing
Min. Median; Opening Spacing (Directional)
Min. Median Opening Spacing (Full)
Access Classification (See Notes)
CLASS 2
A specially protected corridor distinguished by an extensive existing or planned system of access roads and restrictive median treatments.
>45 mph 1320 ft ≤45 mph 660 ft
>45 mph 1320 ft ≤ 45 mph 660'
>45 mph 2640 ft ≤ 45 mph 1320 ft
CLASS 3
New and existing roadways primarily in areas without extensive development or extensive subdivided properties. These corridors will be distinguished by existing or desired restrictive median treatments. Two lane highways with a desired high degree of access management should also be included.
>45 mph 660 ft ≤45 mph 330 ft
>45 mph 1320 ft ≤45 mph 660 ft
>45 mph 2640 ft ≤45 mph 1320 ft
CLASS 4
New and existing roadways primarily in areas without extensive development or extensive subdivided properties. These corridors will be distinguished by nonrestrictive median treatments or highways with two-way left turn lanes.
>45 mph 660 ft≤45 mph 330 ft
N.A.
N.A.
CLASS 5
Existing roadways primarily in areas with moderate or extensive development or where the land is extensively subdivided. These corridors will be distinguished by existing or desired restrictive median treatments.
>45 mph 330 ft ≤ 45 mph 245 ft
All Speeds 660 ft
>45 mph 1320 ft ≤ 45 mph 660 ft
CLASS 6
Existing roadways primarily in areas with extensive development or where the land is extensively subdivided. These corridors will be distinguished by existing or expected
>45 mph 330 ft ≤45 mph 245 ft
N.A.
N.A.
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