Navigating Portland, Maine doesn't require a car if you know how the city is laid out. The historic downtown peninsula is compact, highly walkable, and backed by a reliable regional transit network. If you step off Interstate 295 without a plan, you might find yourself circling for parking in the Old Port or missing the ferry connection to the Casco Bay islands.
Getting around this coastal hub comes down to understanding its geography and transit infrastructure. Whether you arrive via the Portland International Jetport or the Amtrak Downeaster, this guide breaks down the best directions, routes, and transit methods to help you move efficiently across the city.
Navigating by Car: Major Routes and Exits
Driving in Portland is straightforward once you master Interstate 295, which hugs the western side of the peninsula. Exits off I-295 feed directly into the city's distinct commercial and historic districts. Knowing which exit to take saves minutes of frustrating urban traffic.
If you head to the Old Port or the Waterfront, take Exit 7 for Franklin Street. Follow Franklin down toward the water and take a right on Middle Street for the heart of the brick-lined boutique district, or continue straight to Commercial Street for the working waterfront.
For the Arts District and Congress Street, take Exit 6A for Forest Avenue. Follow Forest Avenue straight until it terminates at Congress Street, placing you right next to the Portland Museum of Art and the State Theatre. Parking garages are clustered around Elm Street and Custom House Wharf, though street parking relies on meter apps like Passport Parking.
Public Transit: Riding the METRO Bus
The Greater Portland METRO bus system provides comprehensive coverage across the peninsula and out to surrounding suburbs like Westbrook, South Portland, and Freeport. Buses run daily, connecting transit hubs like Pulse at Monument Square to key shopping centers and residential zones.
Fares are inexpensive, and you can pay using exact cash or via token transit apps. If you land at the Portland International Jetport, METRO Route 5 connects you directly into downtown in under twenty minutes, making it the most cost-effective airport transfer available.
Exploring on Foot and Two Wheels
The most rewarding way to experience Portland is on foot. The downtown peninsula measures roughly three miles from end to end. Brick sidewalks, narrow historic lanes, and hidden courtyards make walking superior to driving for sightseeing.
If you want to cover more ground, bike rentals are widely available. Seasonal bikeshare options and local outfitters offer standard and electric bikes. The Eastern Promenade Trail provides a paved, multi-use path stretching along the waterfront from the Old Port up to Tukey's Bridge, offering sweeping views of Casco Bay.
Ferries and Regional Connections
Getting across the water or out of the city requires looking beyond local street grids.
- Casco Bay Lines: Operating out of the terminal on Commercial Street, these passenger and vehicle ferries transport commuters and visitors to the inner islands—Peaks Island, Great Diamond Island, Little Diamond Island, Chebeague Island, and Cliff Island.
- Amtrak Downeaster: Located at the Portland Transportation Center on St. John Street, the train runs south to Boston's North Station and north to Freeport and Brunswick.
- Intercity Buses: Concord Coach Lines runs frequent, comfortable departures from the Portland Transportation Center straight to Boston Logan International Airport and New York City.
You can check active train timetables directly through Amtrak Downeaster or plan regional bus trips via Concord Coach Lines. For local bus tracking, consult the Greater Portland METRO schedule.
Common Mistakes to Avoid
Visitors often make a few predictable errors when navigating Portland.
- Driving into the Old Port: The streets are narrow, packed with pedestrians, and parking is scarce. Park once in a garage and walk.
- Ignoring the tides of island ferries: If you take a late ferry to the islands without checking the final return schedule, you might get stranded overnight.
- Forgetting weather gear: Coastal Maine weather shifts rapidly. A sunny morning walk can turn into a windy, damp afternoon requiring layers.
Frequently Asked Questions
Can I get around Portland, Maine without a car?
Yes. The downtown core, Old Port, and Waterfront are entirely walkable. METRO buses handle cross-town trips, and rideshares are readily available for outlying spots like the West End or Back Cove.
How do I get from the Portland airport to downtown?
METRO Route 5 runs directly from the Portland International Jetport terminal to downtown Portland. Taxis and rideshare vehicles like Uber and Lyft also pick up passengers outside baggage claim within minutes.
How do I visit the Casco Bay islands?
Head to the Casco Bay Lines terminal at 56 Commercial Street. You can purchase walk-on passenger tickets for daily ferries heading to Peaks Island and other neighboring islands. Vehicles require advance reservations.
Is parking difficult in downtown Portland?
Street parking fills up quickly during peak summer months and weekend evenings. Multi-level parking garages on Elm Street and near the waterfront offer reliable long-term spaces.