Table 5.1 Horizontal Clearances for Utility Installations: Rural Shoulders
Posted Speeds
Slope Condition
GDOT Policy
< 60 mph
fill section with slopes 4:1 or flatter
Utility obstacles shall be located at least 30-ft. from the edge of traveled way to the face of the obstacle
fill section with slopes steeper than 4:1
The horizontal distance in which slopes steeper than 4:1 are encountered is not to be considered as ‘traversable and recoverable’. Consult the AASHTO RDG and the UAPSM for full understanding.
> 60 mph
all slope conditions
Utility obstacle shall be located outside the accepted clear zone for the prevailing conditions, or 30-ft., whichever is greater.