Use the next lowest whole milepost adjacent to the project location + feet in the direction of increasing milepost to the project location.
Mainline – Increasing milepost from Greensboro (MP 284) to Charlotte (MP 375)
H-Line – Increasing milepost from Greensboro (MP H-0) to Goldsboro (MP H-130)
EC-Line – Increasing milepost from Goldsboro (MP EC-0) to Morehead City (MP EC-94)