Highway Use Fee by Filing Period

As of January 1, 2023, a Highway Use Fee is imposed on certain carriers for the privilege of operating, or causing to be operated, certain heavy, multi-unit motor vehicles on any highway (i.e., public road) in Connecticut. The Highway Use Fee is calculated based on an eligible motor vehicle’s weight and the number of miles driven in Connecticut.

**Note that the filing and payment frequency was changed to quarterly, rather than monthly, starting with the calendar quarter commencing on October 1, 2023.

**Data Disclaimer: Please note that the categorization of in-state and out-of-state taxpayers is based on the municipality reported on the tax return. If no municipality was reported, the taxpayer will not be included in either the in-state or out-of-state column but will be included in the total taxpayer column.