Cost Per Mile to Operate a Truck in Connecticut (2026)
What it actually costs owner-operators to run a semi-truck in Connecticut — diesel, insurance, IFTA, and freight market notes for CT.
Diesel prices in Connecticut
The average diesel price in Connecticut is roughly $4.05/gal. For a truck running 8,000 miles/month at 6.5 MPG, that's about $4,985/month in fuel alone — or roughly $0.62/mile. Fuel is typically 30–40% of total cost per mile, so Connecticut's diesel price has a major impact on whether a load is profitable.
Trucking insurance in Connecticut
Connecticut insurance averages $12,000–$16,000/yr. Annual premiums vary widely based on CDL history, equipment age, and operating radius.
CT IFTA and fuel taxes
Connecticut IFTA fuel tax: 49.2¢/gal diesel. File quarterly and keep accurate trip mileage records by jurisdiction to stay compliant.
Freight market in Connecticut
Northeast corridor freight; tight delivery windows and tolls add cost.
How to lower your cost per mile in Connecticut
- Track diesel by region — refuel where the all-in price (pump + state tax) is lowest.
- Negotiate fuel surcharge into every contract using a clear formula tied to the DOE index.
- Reduce deadhead — a 20% deadhead ratio adds 25% to your effective cost per loaded mile.
- Run our Cost Per Mile Calculator monthly with real receipts, not estimates.