Chapter 6 - Cross Section Elements
6.8. Medians
6.8.3. GRIP Corridors (Rural Arterials)
GRIP Corridors (Rural Arterials) shall have medians as described in Table 6.9.
Table 6.9. Medians for GRIP Corridors (Rural Arterials) |
Median |
ADT
(Base Year) |
ADT
(Design Year) |
Design Speeds < 45 mph |
|
|
5- lane section (flush median) |
< 18,000 |
< 24,000 |
20-ft. raised median (1) |
> 18,000 |
> 24,000 |
Design Speeds > 45 mph |
|
|
44-ft. depressed median |
n/a |
n/a |
Note:(1) If there are minimal impacts associated with a wider median, the use of a 24-ft. raised median is preferred. |
GDOT Design Policy Manual ver. 2.0 Revised 5/21/2007