Truck weight data from 15 states in 2019 shows that more heavy trucks operated at 34,000 to 36,000 lbs. than any other weight category. Nearly 25% of single-trailer trucks had gross operating weights between 30,000 and 40,000 lbs. and another 18% had weights between 70,000 and 80,000 lbs. The number of multi-trailer trucks peaked between 62,000 and 66,000 lbs. Just 7% of single-trailer and 9% of multi-trailer trucks operated with allowable weights over 80,000 lbs.
Note: Data gathered from California, Connecticut, Florida, Georgia, Hawaii, Iowa, Minnesota, Missouri, Montana, North Carolina, Oregon, Pennsylvania, South Dakota, Texas, and Washington.
Source: U.S. Department of Transportation, Federal Highway Administration, Office of Highway Policy & Information, Travel Monitoring and Analysis System.