MP 20 - 29.9 - AlaskaJack
MP20  N65.62558, W149.03043 Elevation:  
As you can see, the GPS and the mileposts are already at odds about the distance traveled.  However, for the most part the mileposts along the Dalton are pretty uniform and accurate.  Road alignment can, and usually does, throw them off for a short distance.

MP20 N65.62558, W149.03043 Elevation:
As you can see, the GPS and the mileposts are already at odds about the distance traveled. However, for the most part the mileposts along the Dalton are pretty uniform and accurate. Road alignment can, and usually does, throw them off for a short distance.