Design ESALs

[John QPE]

When predicting ESALs, what pavement SN do you assume?

I've seen 3 in several texts, but it looks like the GDPS recommends 5.

 

[ptatohed]

For the AASHTO pavement design method, your initial SN value should be 3 for low volume roads and 5 for high volume roads.

 

[John QPE]

thank you