Excellent discussion, I found the dialog very helpful. I agree, interstate or arterials and maybe specific collector roads with high percentage truck traffic data, I'm going with the wb-67 based on the research. I will make the adjustment for Local Streets as required and note that larger...
During the course of last week I have been trying to find documentation to support my consistent use of the WB-40 as a truck design vehicle in Delaware. The precedence for using a WB-40 was set in the NCHRP Report 279, 1985 which specified truck design vehicles for the functioning highway...
Working in Wilmington Delaware (Urban Condition) where I have typically used WB-40 to design truck access. While recently driving along I-95, I noticed that out of 59 trucks, not including SU's or tankers, an overwhelming portion (80%) of semi-trailer trucks were marked with the number 53'...