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.

2014 Truck Percentage Map (.pdf)

2014 Truck Percentage Map (.pdf)

2013 Truck Percentage Map (.pdf)

2012 Truck Percentage Map (.pdf)

2011 Truck Percentage Map (.pdf)

2010 Truck Percentage Map (.pdf)

2009 Truck Percentage Map (.pdf)

2008 Truck Percentage Map (.pdf)

2007 Truck Percentage Map (.pdf)

2006 Truck Percentage Map (.pdf)

2005 Truck Percentage Map (.pdf) 

2004 Truck Percentage Map (.pdf)

2003 Truck Percentage Map (.pdf)

2002 Truck Percentage Map (.pdf)

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.