Vehicles
Maine had about 1.35 million registered vehicles in 2023 and one of the oldest average vehicle ages in the nation, near 12.5 years, reflecting its rural, high-mileage driving needs.
Households without a vehicle
2006–2024Census American Community Survey 1-year estimates, B08201 (2020 not released).
| Indicator | Maine | U.S. |
|---|---|---|
| Average vehicle age (years) | 12.5 | 12.5 |
- •Maine has one of the highest average vehicle ages in the country at roughly 12.5 years.
Public Transit
Only about 1% of Maine workers commute by public transit, among the lowest shares nationally, with the Greater Portland METRO bus system as the largest transit provider.
Workers commuting by public transit
2006–2024Census American Community Survey 1-year estimates, share of workers 16+, B08301 (2020 not released).
| Indicator | Maine | U.S. |
|---|---|---|
| Workers commuting by public transit (%) | 1 | 3.1 |
- •Maine's largest transit agency, Greater Portland METRO, carries about 1.5 million rides a year.
Airports
Maine has 3 primary commercial airports, led by Portland International Jetport with about 1.9 million passengers in 2023, plus dozens of small regional and municipal airfields.
Passengers boarded at all commercial airports in Maine
2011–2025FAA Air Carrier Activity Information System, calendar-year commercial-service enplanements.
Passengers boarded at Portland International Jetport (PWM)
2011–2025FAA calendar-year enplanements.
| Indicator | Maine | U.S. |
|---|---|---|
| Portland Jetport annual passengers (millions) | 1.9 | 0 |
- •Bangor International Airport is a historic refueling stop for transatlantic flights.
Traffic
Maine drivers lost an estimated 20 hours to traffic congestion in 2023, far below the U.S. average of roughly 43 hours, reflecting the state's low population density.
Traffic fatalities
1994–2024NHTSA Fatality Analysis Reporting System (FARS), State Traffic Data.
Fatality rate per 100 million vehicle miles
1994–2024NHTSA Fatality Analysis Reporting System (FARS), State Traffic Data.
| Indicator | Maine | U.S. |
|---|---|---|
| Hours lost to congestion per driver | 20 | 43 |
- •Portland's I-295/I-95 interchange is the most congested stretch of road in Maine.
Commuting Patterns
The average Maine commute was about 24.5 minutes in 2023, shorter than the U.S. average, with roughly 78% of workers driving alone.
Mean travel time to work
2006–2024Census American Community Survey 1-year estimates, aggregate travel time ÷ workers not working at home, B08013/B08012 (2020 not released).
Workers who drive alone
2006–2024Census American Community Survey 1-year estimates, share of workers 16+, B08301 (2020 not released).
Workers who work from home
2006–2024Census American Community Survey 1-year estimates, share of workers 16+, B08301 (2020 not released).
| Indicator | Maine | U.S. |
|---|---|---|
| Mean commute time (minutes) | 24.5 | 26.4 |
- •Maine's average commute is nearly two minutes shorter than the national average.
Infrastructure
Maine maintains about 22,700 miles of public roads and over 2,400 bridges, with roughly 13% of bridges rated structurally deficient in 2023, above the national share.
Bridges in poor condition
2000–2025FHWA National Bridge Inventory, Bridge Condition by Highway System (as of June each year).
Bridges in good condition
2000–2025FHWA National Bridge Inventory, Bridge Condition by Highway System (as of June each year).
Total highway bridges
2000–2025FHWA National Bridge Inventory, Bridge Condition by Highway System (as of June each year).
Vehicle miles traveled
1994–2024FHWA vehicle miles traveled as published with NHTSA FARS (fatalities ÷ fatality rate per 100M VMT).
| Indicator | Maine | U.S. |
|---|---|---|
| Structurally deficient bridges (%) | 13 | 6.8 |
- •About 13% of Maine's bridges are rated structurally deficient, above the national average.