
Total Traffic Volume & Performance in Connecticut
Traffic The average number of vehicles that travel each day over any road in the road network. | vehicles per day6,794 |
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Trucks The percentage of the total traffic volume composed of heavy vehicles. | 8.4% |
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Average travel time The average time of travel averaged among all vehicles traveling on the road network. | 33.2 min |
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Congestion ratio The rate at which the actual travel time exceeds free-flow travel time, averaged among all roads in the network. | 17.2% |
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Drivers’ average age Average age of residents in the geographic areas where the vehicle trips originated. | 47.7 yrs |
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Drivers’ average income Average income of residents in the geographic areas where the vehicle trips originated. | $112,144 |
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A typical monitored road in Connecticut sees 6,794 vehicles per day, while its 7,552 miles of monitored roads together handle 63,263,073 vehicle-miles traveled per day (≈23.1 billion per year). About 1 in 12 vehicles is a truck, in line with the US (9.3%).
Analytical insight
At 6,794 vehicles per day, the average road in Connecticut tracks closely with the national average of 6,986 vehicles per day. In total volume terms, its road network carries about 0.8% of the national total of vehicle-miles. By volume, Connecticut's 6,794 vehicles per day outpaces 60% of states nationwide.
The average trip takes 33.2 minutes, on par with the national level. 50% of states nationwide have a shorter average travel time than Connecticut's 33.2 minutes.
Congestion is somewhat lower than the national level, at a ratio of 17.2% (9% lower).
Highway vs. Non-Highway Traffic Analysis

Highway Traffic in Connecticut
| Traffic | vehicles per day16,631 |
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| Trucks | 11.8% |
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| Average travel time | 40.4 min |
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| Congestion ratio | 37.6% |
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| Drivers’ average age | 47.8 yrs |
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| Drivers’ average income | $111,789 |
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Travel in Connecticut splits roughly evenly, with about half of it (53% of vehicle-miles) on highways. The average highway carries 16,631 vehicles per day, 180% more than the average non-highway road in the same area, which carries 5,931 vehicles per day.
Highways make up 22% of the monitored road miles (1,686 miles, 18,530 segments), so they carry more than their share: 33,696,123 vehicle-miles traveled per day (≈12.3 billion per year).
More highway trucks than 84% of states nationwide
At 11.8%, highway truck share is 10% lower than the national average. The highway traffic mix is typical for the US: neither freight- nor commuter-dominated.
Connecticut's highway truck share (11.8%) is lower than 68% of states nationwide. Connecticut's highway truck count is higher than 84% of states nationwide, at roughly 1,962 trucks per day.

Non-highway Traffic in Connecticut
| Traffic | vehicles per day5,931 |
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| Trucks | 4.5% |
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| Average travel time | 32.7 min |
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| Congestion ratio | 15.8% |
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| Drivers’ average age | 47.7 yrs |
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| Drivers’ average income | $112,534 |
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Travel in Connecticut splits roughly evenly, with about half of it (47% of vehicle-miles) on local roads. On the average non-highway road, that comes to 5,931 vehicles per day.
Local roads make up 78% of the monitored road miles (5,866 miles in 211,154 segments) but carry less than their share of travel: 29,566,951 vehicle-miles traveled per day (≈10.8 billion per year). The truck share on non-highway roads is 4.5%.
Drivers from higher-income areas than 92% of states nationwide
The concentration of trucks on non-highway roads is 62% lower than on highways.
Non-highway congestion (15.8%) runs slightly lower than the national level (14% lower).
Trip origins here have higher average income than 92% of states nationwide. 80% of states nationwide have a younger driver population than Connecticut.