Effective: August 14, 2017 Shipments weighing less than 10,000 lbs = 25.4% Shipments weighing 10,000 lbs or more = 38.9 %

Effective: August 7, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: July 31, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: July 24, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: July 17, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: July 10, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: July 3, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: June 26, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more  = 38.9 %

Effective: June 19, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %  

Effective: June 12, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: June 5, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: May 29, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: May 29, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: May 22, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: May 15, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %  

Effective: May 8, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: May 1, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: April 24, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: April 17, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: April 10, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: April 3. 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: March 27, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: March 20,2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: March 13, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: March 6, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: February 27, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: February 20, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: February 13, 2017 Shipments weighing less than 10,000 lbs = 25.4% Shipments weighing 10,000 lbs or more = 38.9%  

Effective: February 6, 2017 Shipments weighing less than 10,000 lbs = 25.4 % Shipments weighing 10,000 lbs or more = 38.9 %

Effective: January 30, 2017 Shipments weighing less than 10,000 lbs = 25.4% Shipments weighing 10,000 lbs or more = 38.9 %

Effective: January 23, 2017 Shipments weighing less than 10,000 lbs = 25.4% Shipments weighing 10,000 lbs or more = 38.9%

Effective: January 11, 2017 Shipments weighing less than 10,000 lbs = 25.4% Shipments weighing 10,000 lbs or more = 38.9%

Effective December 12, 2016 Shipments weighing less than 10 000 lb = 24.9% Shipments weighing 10 000 lb or more = 38.5%

Effective December 5, 2016 Shipments weighing less than 10 000 lb = 23.9% Shipments weighing 10 000 lb or more = 38.5%

Effective November 28th, 2016 Shipments weighing less than 10 000 lb = 23.9% Shipments weighing 10 000 lb or more = 38.5%

Effective November 21, 2016 Shipments weighing less than 10 000 lb = 23.9% Shipments weighing 10 000 lb or more = 38.5%

Effective November 14, 2016 Shipments weighing less than 10 000 lb = 23.9% Shipments weight 10 000 lb or more = 38.5%

Effective November 7, 2016 Shipments weighing less than 10 000 lb = 23.9% Shipments weighing 10 000 or more = 38.5%

Effective October 24, 2016 Shipments weighing less than 10 000 lb = 23.9% Shipments weighing 10 000 lb or more = 38.5%

Effective October 17, 2016 Shipments weighing less than 10 000 lb = 23.9% Shipments weighing 10 000 lb or more = 38.5%

Effective October 11, 2016 Shipments weighing less than 10 000 lb = 23.9% Shipments weighing 10 000 lb or more = 38.5%

Effective October 3, 2016 Shipments weighing less than 10 000 lb = 23.9% Shipments weight more than 10 000 lb = 38.5%

Effective September 22nd, 2016 Shipments weighing less than 10 000 lb = 23.9% Shipments weighing more than 10 000 lb = 38.5%

Effective September 15th, 2016 Shipments weighing less than 10 000 lb = 23.9% Shipments weighing more than 10 000 lb = 38.5%

Effective September 8th, 2016 Shipments weighing less than 10 000 lb = 23.9% Shipments weighing more than 10 000 lb = 38.5%

Effective: September 1, 2016 Shipments weighing less than 10 000 lb = 23.9% Shipments weighing more than 10 000 lb = 38.5%

Effective: August 25, 2016 Shipments weighing less than 10 000 lb = 23.9% Shipments weighing more than 10 000 lb = 38.5%

Effective: August 18, 2016 Shipments weighing less than 10 000 lbs = 23.9% Shipments weighing more than 10 000 lbs = 38.5%

Effective: August 11, 2016 Shipments weighing less than 10 000 lbs = 23.9% Shipments weighing more than 10 000 lbs = 38.5%

Effective: August 4, 2016 Shipments weighing less than 10 000 lbs = 23.9% Shipments weighing more than 10 000 lbs = 38.5%

Effective: July 28, 2016 Shipments weighing less than 10 000 lbs = 23.9% Shipments weighing more than 10 000 lbs = 38.5%

Effective: July 21, 2016 Shipments weighing less than 10 000 lbs = 23.9% Shipments weighing more than 10 000 lbs = 38.5%

Effective: July 14, 2016 Shipments weighing less than 10 000 lbs = 23.9% Shipments weighing more than 10 000 lbs = 38.5%

Effective: July 7, 2016 Shipments weighing less than 10 000 lbs = 22.9% Shipments weighing more than 10 000 lbs = 37.5%

Effective: June 30, 2016 Shipments weighing less than 10 000 lbs = 22.9% Shipments weighing more than 10 000 lbs = 37.5%

Effective: June 23, 2016 Shipments weighing less than 10 000 lbs = 22.9% Shipments weighing more than 10 000 lbs = 37.5%

Effective: June 16, 2016 Shipments weighing less than 10 000 lbs = 22.9% Shipments weighing more than 10 000 lbs = 37.5%

Effective: June 9, 2016 Shipments weighing less than 10 000 lbs = 22.9% Shipments weighing more than 10 000 lbs = 37.5%

Effective: June 2, 2016 Shipments weighing less than 10 000 lbs = 22.9% Shipments weighing more than 10 000 lbs = 37.5%

Effective: May 26, 2016 Shipments weighing less than 10 000 lbs = 22.9% Shipments weighing more than 10 000 lbs = 37.5%

Effective: May 19, 2016 Shipments weighing less than 10 000 lbs = 22.9% Shipments weighing more than 10 000 lbs = 37.5%

Effective: May 12, 2016 Shipments weighing less than 10 000 lbs = 22.9% Shipments weighing more than 10 000 lbs = 37.5%

Effective: May 5, 2016 Shipments weighing less than 10 000 lbs = 22.9% Shipments weighing more than 10 000 lbs = 37.5%

Effective: April 28, 2016 Shipments weighing less than 10 000 lbs = 22.9% Shipments weighing more than 10 000 lbs = 37.5%

Effective: April 21, 2016 Shipments weighing less than 10 000 lbs = 22.9% Shipments weighing more than 10 000 lbs = 37.5%

Effective: April 14, 2016 Shipments weighing less than 10 000 lbs = 22.9% Shipments weighing more than 10 000 lbs = 37.5%

Effective: April 7, 2016 Shipments weighing less than 10 000 lbs = 22.9% Shipments weighing more than 10 000 lbs = 37.5%

Effective: March 31, 2016 Shipments weighing less than 10 000 lbs = 22.9% Shipments weighing more than 10 000 lbs = 37.5%

Effective: March 24, 2016 Shipments weighing less than 10 000 lbs = 22.9% Shipments weighing more than 10 000 lbs = 37.5%

Effective: March 17, 2016 Shipments weighing less than 10 000 lbs = 22.9% Shipments weighing more than 10 000 lbs = 37.5%

Effective: March 10, 2016 Shipments weighing less than 10 000 lbs = 22.9% Shipments weighing more than 10 000 lbs = 37.5%

Effective: March 3, 2016 Shipments weighing less than 10 000 lbs = 22.9% Shipments weighing more than 10 000 lbs = 37.5%

Effective: February 25, 2016 Shipments weighing less than 10 000 lbs = 22.9% Shipments weighing more than 10 000 lbs = 37.5%

Effective: February 18, 2016 Shipments weighing less than 10 000 lbs = 22.9% Shipments weighing more than 10 000 lbs = 37.5%

Effective: February 11, 2016 Shipments weighing less than 10 000 lbs = 22.9% Shipments weighing more than 10 000 lbs = 37.5%

Effective: February 4, 2016 Shipments weighing less than 10 000 lbs = 22.9% Shipments weighing more than 10 000 lbs = 37.5%

Effective: January 14, 2016 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: January 7, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: December 31, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: December 24          , 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: December 17, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: December 10, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: December 2, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: November 26, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: November 19, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: November 12, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: October 29, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: October 29, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: October 22, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: October 15, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective:October 8, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective:October 1, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective:September 24, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective:September 17, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective:September 10, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective:September 3, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: August 27, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: August 20, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: August 13, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: August 6, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: July 30, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: July 23, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: July 16, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: July 9, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: July 2, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: June 25, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: June 18, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: June 11, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: June 4, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: May 28, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: May 21, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: May 14, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: Mayy 7, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: April 30, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: April 23, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: April 16, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: April 9, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: April 2, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: March 26, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: March 19, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: March 12, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: March 5, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: February 26, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: February 12, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: February 3, 2015 Shipments weighing less than 10 000 lbs = 26.9% Shipments weighing more than 10 000 lbs = 41.5%

Effective: January 22, 2015 Shipments weighing less than 10 000 lbs = 27.5% Shipments weighing more than 10 000 lbs = 42.5%

Effective: January 15, 2015 Shipments weighing less than 10 000 lbs = 27.5% Shipments weighing more than 10 000 lbs = 42.5%

Effective: January 6, 2015 Shipments weighing less than 10 000 lbs = 29.5% Shipments weighing more than 10 000 lbs = 45.9%

Effective: January 1, 2015 Shipments weighing less than 10 000 lbs = 29.5% Shipments weighing more than 10 000 lbs = 49.2%

Effective: December 23, 2014 Shipments weighing less than 10 000 lbs = 29.5% Shipments weighing more than 10 000 lbs = 49.2%

Effective: December 16, 2014 Shipments weighing less than 10 000 lbs = 29.5% Shipments weighing more than 10 000 lbs = 49.2%

Effective: December 11, 2014 Shipments weighing less than 10 000 lbs = 32.7% Shipments weighing more than 10 000 lbs = 52.2%

Effective: December 4, 2014 Shipments weighing less than 10 000 lbs = 32.7% Shipments weighing more than 10 000 lbs = 52.2%

Effective: November 13, 2014 Shipments weighing less than 10 000 lbs = 32.7% Shipments weighing more than 10 000 lbs = 52.2%

Effective: November 6, 2014 Shipments weighing less than 10 000 lbs = 29.4% Shipments weighing more than 10 000 lbs = 47.1%

Effective: October 30, 2014 Shipments weighing less than 10 000 lbs = 28.3% Shipments weighing more than 10 000 lbs = 45.3%

Effective: October 23, 2014 Shipments weighing less than 10 000 lbs = 28.3% Shipments weighing more than 10 000 lbs = 45.3%

Effective: October 16, 2014 Shipments weighing less than 10 000 lbs = 28.3% Shipments weighing more than 10 000 lbs = 45.3%

Effective: October 8, 2014 Shipments weighing less than 10,000 lbs = 28.3% Shipments weighing more than 10,000 lbs = 45.3%  

Effective: October 2, 2014 Shipments weighing less than 10,000 lbs= 28.3% Shipments weighing more than 10,000 lbs= 45.3%

Effective: September 25, 2014 Shipments weighing less than 10,000 lbs= 29.4% Shipments weighing more than 10,000 lbs= 47.1%

Effective: September 18, 2014 Shipments weighing less than 10,000 lbs= 29.4% Shipments weighing more than 10,000 lbs= 47.1%

Effective: September 11, 2014 Shipments weighing less than 10,000 lbs= 29.4% Shipments weighing more than 10,000 lbs= 47.1%

Effective: September 4, 2014 Shipments weighing less than 10,000 lbs= 29.4% Shipments weighing more than 10,000 lbs= 47.1%

Effective: August 28, 2014 Shipments weighing less than 10,000 lbs= 29.4% Shipments weighing more than 10,000 lbs= 47.1%

Effective: August 22, 2014 Shipments weighing less than 10,000 lbs= 29.4% Shipments weighing more than 10,000 lbs= 47.1%

Effective: August 14, 2014 Shipments weighing less than 10,000 lbs= 28.8% Shipments weighing more than 10,000 lbs= 46.1%

Effective: August 7, 2014 Shipments weighing less than 10,000 lbs= 28.8% Shipments weighing more than 10,000 lbs= 46.1%

Effective: July 31, 2014 Shipments weighing less than 10,000 lbs= 28.8% Shipments weighing more than 10,000 lbs= 46.1%

Effective: July 24, 2014 Shipments weighing less than 10,000 lbs= 30.0% Shipments weighing more than 10,000 lbs= 48.0%

Effective: July 17, 2014 Shipments weighing less than 10,000 lbs= 30.0% Shipments weighing more than 10,000 lbs= 48.0%

Effective: July 10, 2014 Shipments weighing less than 10,000 lbs= 30.0% Shipments weighing more than 10,000 lbs= 48.0%

Effective: July 3, 2014 Shipments weighing less than 10,000 lbs= 30.8% Shipments weighing more than 10,000 lbs= 49.3%

Effective: June 26, 2014 Shipments weighing less than 10,000 lbs= 30.8% Shipments weighing more than 10,000 lbs= 49.3%

Effective: June 19, 2014 Shipments weighing less than 10,000 lbs= 30.8% Shipments weighing more than 10,000 lbs= 49.3%

Effective: June 12, 2014 Shipments weighing less than 10,000 lbs= 30.8% Shipments weighing more than 10,000 lbs= 49.3%

Effective: June 5, 2014 Shipments weighing less than 10,000 lbs= 32.1% Shipments weighing more than 10,000 lbs= 51.4%

Effective: May 29, 2014 Shipments weighing less than 10,000 lbs= 32.9% Shipments weighing more than 10,000 lbs= 52.7%

Effective: May 22, 2014 Shipments weighing less than 10,000 lbs= 32.9% Shipments weighing more than 10,000 lbs= 52.7%

Effective: May 15, 2014 Shipments weighing less than 10,000 lbs= 34.3% Shipments weighing more than 10,000 lbs= 54.9%

Effective: May 8, 2014 Shipments weighing less than 10,000 lbs= 34.3% Shipments weighing more than 10,000 lbs= 54.9%

Effective: May 1, 2014 Shipments weighing less than 10,000 lbs= 34.3% Shipments weighing more than 10,000 lbs= 54.9%

Effective: April 24, 2014 Shipments weighing less than 10,000 lbs= 34.3% Shipments weighing more than 10,000 lbs= 54.9%

Effective: April 17, 2014 Shipments weighing less than 10,000 lbs= 33.8% Shipments weighing more than 10,000 lbs= 54.0%

Effective: April 10, 2014 Shipments weighing less than 10,000 lbs= 33.8% Shipments weighing more than 10,000 lbs= 54.0%

Effective: April 3, 2014  Shipments weighing less than 10,000 lbs= 33.8% Shipments weighing more than 10,000 lbs= 54.0%

Effective: March 27, 2014   Shipments weighing less than 10,000 lbs= 33.8% Shipments weighing more than 10,000 lbs= 54.0%

Effective: March 20, 2014    Shipments weighing less than 10,000 lbs= 34.6% Shipments weighing more than 10,000 lbs= 55.4%

Effective: March 13, 2014     Shipments weighing less than 10,000 lbs= 32.9% Shipments weighing more than 10,000 lbs= 51.5%

Effective: March 6, 2014      Shipments weighing less than 10,000 lbs= 32.9% Shipments weighing more than 10,000 lbs= 51.5%

Effective: February 21, 2014        Shipments weighing less than 10,000 lbs= 32.9% Shipments weighing more than 10,000 lbs= 51.5%

Effective: February 14, 2014         Shipments weighing less than 10,000 lbs= 32.9% Shipments weighing more than 10,000 lbs= 51.5%

Effective: February 3, 2014          Shipments weighing less than 10,000 lbs= 31.5% Shipments weighing more than 10,000 lbs= 49.8%

Effective: January 16, 2014           Shipments weighing less than 10,000 lbs= 30.3% Shipments weighing more than 10,000 lbs= 49.8%

Effective: December 5, 2013 Shipments weighing less than 10,000 lbs= 30.3% Shipments weighing more than 10,000 lbs= 48.5%

Effective: November 28, 2013 Shipments weighing less than 10,000 lbs= 30.3% Shipments weighing more than 10,000 lbs= 48.5%

Effective: November 21, 2013 Shipments weighing less than 10,000 lbs= 30.3% Shipments weighing more than 10,000 lbs= 48.5%

Effective: November 14, 2013 Shipments weighing less than 10,000 lbs= 30.3% Shipments weighing more than 10,000 lbs= 48.5%

Effective: November 7, 2013 Shipments weighing less than 10,000 lbs = 30.3 % Shipments weighing more than 10,000 lbs = 48.5 %

Effective: October 31, 2013 Shipments weighing less than 10,000 lbs = 30.3 % Shipments weighing more than 10,000 lbs = 48.5%

Effective: October 24, 2013 Shipments weighing less than 10,000 lbs = 30.3 % Shipments weighing more than 10,000 lbs = 48.5 %

Effective: October 17, 2013 Shipments weighing less than 10,000 lbs = 30.3 % Shipments weighing more than 10,000 lbs = 48.5 %

Effective: October 10, 2013 Shipments weighing less than 10,000 lbs = 28.8 % Shipments weighing more than 10,000 lbs = 46.1 %

Effective: October 3, 2013 Shipments weighing less than 10,000 lbs = 28.8 % Shipments weighing more than 10,000 lbs = 46.1 %

Effective: September 26, 2013 Shipments weighing less than 10,000 lbs = 28.8 % Shipments weighing more than 10,000 lbs = 46.1 %

Effective: September 19, 2013 Shipments weighing less than 10,000 lbs = 28.8 % Shipments weighing more than 10,000 lbs = 46.1 %

Effective: September 12, 2013 Shipments weighing less than 10,000 lbs = 28.8 % Shipments weighing more than 10,000 lbs = 46.1 %

Effective: September 5, 2013 Shipments weighing less than 10,000 lbs = 28.8 % Shipments weighing more than 10,000 lbs = 46.1 %

Effective: August 29, 2013 Shipments weighing less than 10,000 lbs = 27.6 % Shipments weighing more than 10,000 lbs = 44.2 %

Effective: August 22, 2013 Shipments weighing less than 10,000 lbs = 26.5 % Shipments weighing more than 10,000 lbs = 39.8 %

Effective: August 15, 2013 Shipments weighing less than 10,000 lbs = 26.5 % Shipments weighing more than 10,000 lbs = 39.8 %

Effective: August 8, 2013 Shipments weighing less than 10,000 lbs = 26.5 % Shipments weighing more than 10,000 lbs = 39.8 %

Effective: August 1, 2013 Shipments weighing less than 10,000 lbs = 26.5 % Shipments weighing more than 10,000 lbs = 39.8 %

Effective: July 25, 2013 Shipments weighing less than 10,000 lbs = 26.5 % Shipments weighing more than 10,000 lbs = 39.8 %

Effective: July 18, 2013 Shipments weighing less than 10,000 lbs = 26.5 % Shipments weighing more than 10,000 lbs = 39.8 %  

Effective: July 11, 2013 Shipments weighing less than 10,000 lbs = 26.5 % Shipments weighing more than 10,000 lbs = 39.8 %

Effective: July 4, 2013 Shipments weighing less than 10,000 lbs = 26.5 % Shipments weighing more than 10,000 lbs = 39.8 %

Effective: June 27,2013 Shipments weighing less than 10,000 lbs = 26.5 % Shipments weighing more than 10,000 lbs = 39.8 %

Effective: June 20, 2013 Shipments weighing less than 10,000 lbs = 26.5 % Shipments weighing more than 10,000 lbs = 39.8 %

Effective: June 13, 2013 Shipments weighing less than 10,000 lbs = 26.5 % Shipments weighing more than 10,000 lbs = 39.8 %

Effective: June 6, 2013 Shipments weighing less than 10,000 lbs = 27.7 % Shipments weighing more than 10,000 lbs = 41.5 %

Effective: May 30, 2013 Shipments weighing less than 10,000 lbs = 27.7 % Shipments weighing more than 10,000 lbs = 41.5 %

Effective: May 23, 2013 Shipments weighing less than 10,000 lbs = 26.7 % Shipments weighing more than 10,000 lbs = 40.1 %

Effective: May 16, 2013 Shipments weighing  less than 10,000 lbs = 26.0% Shipments weighing more than 10,000 lbs = 39.0 %

Effective: May 9, 2013 Shipments weighing less than 10,000 lbs = 26.0 % Shipments weighing more than 10,000 lbs = 39.0 %

Effective: May 2, 2013 Shipments weighing less than 10,000 lbs =26.0 % Shipments weighing more than 10,000 lbs = 39.0 %    

Effective: April 25, 2013 Shipments weighing less than 10,000 lbs = 26.0 % Shipments weighing more than 10,000 lbs = 39.0 %

Effective: April 18, 2013 Shipments weighing less than 10,000 lbs = 27.4 % Shipments weighing more than 10,000 lbs = 41.1 %

Effective: April 4, 2013 Shipments weighing less than 10,000 lbs = 27.4 % Shipments weighing more than 10,000 lbs = 41.1 %

Effective: April 4, 2013 Shipments weighing less than 10,000 lbs = 27.4 % Shipments weighing more than 10,000 lbs = 41.1 %

Effective: March 28, 2013 Shipments weighing less than 10,000 lbs = 29.7 % Shipments weighing more than 10,000 lbs = 44.5 %

Effective: March 21, 2013 Shipments weighing less than 10,000 lbs = 29.7 % Shipments weighing more than 10,000 lbs = 44.5 %

Effective: March 14, 2013 Shipments weighing less than 10,000 lbs = 29.7 % Shipments weighing more than 10,000 lbs = 44.5 %

Effective: March 7, 2013 Shipments weighing less than 10,000 lbs = 29.7 % Shipments weighing more than 10,000 lbs = 44.5 %

Effective: February 28, 2013 Shipments weighing less than 10,000 lbs = 29.7 % Shipments weighing more than 10,000 lbs = 44.5 %

Effective: February 21, 2013 Shipments weighing less than 10,000 lbs = 28.6 % Shipments weighing more than 10,000 lbs = 42.8 %

Effective: February 14, 2013 Shipments weighing less than 10,000 lbs = 28.6 % Shipments weighing more than 10,000 lbs = 42.8 %

Effective: February 7, 2013 Shipments weighing less than 10,000 lbs = 27.1 % Shipments weighing more than 10,000 lbs = 40.6 %

Effective: January 31, 2013 Shipments weighing less than 10,000 lbs = 27.1 % Shipments weighing more than 10,000 lbs = 40.6 %

Effective: January 24, 2013 Shipments weighing less than 10,000 lbs = 26.2 % Shipments weighing more than 10,000 lbs = 39.3 %

Effective: January 17, 2013 Shipments weighing less than 10,000 lbs = 27.6 % Shipments weighing more than 10,000 lbs = 41.4 %

Effective: January 10, 2013 Shipments weighing less than 10,000 lbs = 27.6 % Shipments weighing more than 10,000 lbs = 41.4 %

Effective: January 3, 2013 Shipments weighing less than 10,000 lbs = 27.6 % Shipments weighing more than 10,000 lbs = 41.4 %

Effective: December 27, 2012 Shipments weighing less than 10,000 lbs = 27.6 % Shipments weighing more than 10,000 lbs = 41.4 %

Effective: December 20, 2012 Shipments weighing less than 10,000 lbs = 27.6 % Shipments weighing more than 10,000 lbs = 41.4 %

Effective: December 13, 2012 Shipments weighing less than 10,000 lbs = 27.6 % Shipments weighing more than 10,000 lbs = 41.4 %

Effective: December 6, 2012 Shipments weighing less than 10,000 lbs = 25.7 % Shipments weighing more than 10,000 lbs = 38.6 %

Effective: November 29, 2012 Shipments weighing less than 10,000 lbs = 24.7 % Shipments weighing more than 10,000 lbs = 37.0 %

Effective: November 22, 2012 Shipments weighing less than 10,000 lbs = 24.7 % Shipments weighing more than 10,000 lbs = 37.0 %

Effective: November 15, 2012 Shipments weighing less than 10,000 lbs = 24.7 % Shipments weighing more than 10,000 lbs = 37.0 %

Effective: November 1, 2012 Shipments weighing less than 10,000 lbs = 26.2 % Shipments weighing more than 10,000 lbs = 39.3 %

Effective: October 24, 2012 Shipments weighing less than 10,000 lbs = 27.5 % Shipments weighing more than 10,000 lbs = 41.2 %

Effective: October 17, 2012 Shipments weighing less than 10,000 lbs = 27.5 % Shipments weighing more than 10,000 lbs = 41.2 %

Effective: October 10, 2012 Shipments weighing less than 10,000 lbs = 27.5 % Shipments weighing  more than 10,000 lbs = 41.2 %

Effective: October 3, 2012 Shipments weighing less than 10,000 lbs = 27.5 % Shipments weighing more than 10,000 lbs = 41.2 %

Effective: September 26, 2012 Shipments weighing less than 10,000 lbs = 27.5% Shipments weighing more than 10,000 lbs = 41.2 %

Effective: September 19, 2012 Shipments weighing less than 10,000 lbs = 27.5 % Shipments weighing more than 10,000 lbs = 41.2 %

Effective: September 12, 2012 Shipments weighing less than 10,000 lbs = 27.5 % Shipments weighing more than 10,000 lbs = 41.2 %

Effective: September 5, 2012 Shipments weighing less than 10,000 lbs = 27.5 % Shipments weighing more than 10,000 lbs = 41.2 %

Effective: August 30, 2012 Shipments weighing less than 10,000 lbs = 27.5 % Shipments weighing more than 10,000 lbs = 41.2 %

Effective: August 23, 2012 Shipments weighing less than 10,000 lbs = 27.5 % Shipments weighing more than 10,000 lbs = 41.2 %  

Effective: August 15, 2012 Shipments weighing less than 10,000 lbs = 23.6 % Shipments weighing more than 10,000 lbs = 35.4 %

Effective: August 8, 2012 Shipments weighing less than 10,000 lbs = 23.6 % Shipments weighing more than 10,000 lbs = 35.4 %

Effective: August 1, 2012 Shipments weighing less than 10,000 lbs = 23.6 % Shipments weighing more than 10,000 lbs = 35.4 %

Effective: July 25, 2012 Shipments weighing less than 10,000 lbs = 23.6 % Shipments weighing more than 10,000 lbs = 35.4 %

Effective: July 18, 2012 Shipments weighing less than 10,000 lbs = 23.6 % Shipments weighing more than 10,000 lbs = 35.4 %

Effective: July 11, 2012 Shipments weighing less than 10,000 lbs = 23.6 % Shipments weighing more than 10,000 lbs = 35.4 %

Effective: July 4, 2012 Shipments weighing less than 10,000 lbs = 23.6 % Shipments weighing more than 10,000 lbs = 35.4 %

Effective: June 27, 2012 Shipments weighing less than 10,000 lbs = 23.6 % Shipments weighing more than 10,000 lbs = 35.4 %

Effective: June 20, 2012 Shipments weighing less than 10,000 lbs = 23.6 % Shipments weighing more than 10,000 lbs = 35.4 %

Effective: June 13, 2012 Shipments weighing less than 10,000 lbs = 23.6 % Shipments weighing more than 10,000 lbs = 35.4 %

Effective: June 5, 2012 Shipments weighing less than 10,000 lbs = 24.7 % Shipments weighing more than 10,000 lbs = 37.0 %  

Effective:  May 29, 2012 Shipments weighing less than 10,000 lbs = 24.7% Shipments weighing more than 10,000 lbs = 37.0%

Effective:  May 23, 2012 Shipments weighing less than 10,000 lbs = 27.2% Shipments weighing more than 10,000 lbs = 40.8%

Effective:  May 16, 2012 Shipments weighing less than 10,000 lbs = 27.2% Shipments weighing more than 10,000 lbs = 40.8%

Effective:  May 9, 2012 Shipments weighing less than 10,000 lbs = 27.2% Shipments weighing more than 10,000 lbs = 40.8%

Effective:  May 2, 2012 Shipments weighing less than 10,000 lbs = 27.2% Shipments weighing more than 10,000 lbs = 40.8%

Effective:  April 25, 2012 Shipments weighing less than 10,000 lbs = 27.2% Shipments weighing more than 10,000 lbs = 40.8%