Truck Percentage Maps
Truck percentages are developed from vehicle classification counts that were taken during the calendar year shown on the map. Truck percentages typically differ from year to year due to variations in social and economic activities.
Average Daily Traffic Maps
Average Daily Traffic Estimates
The traffic volumes shown on these maps are average daily traffic estimates, or ADT, typically developed from 48-hour counts that are taken during the calendar year shown. These counts were adjusted in an attempt to minimize the effects of monthly volume variations.