Belfast to Lambertville Road Trip: Coast to Country

The route from Belfast, Maine to Lambertville, New Jersey spans 440 miles of coastal and pastoral New England. You'll follow US-1 south through midcoast Maine, merge onto I-95 through Portsmouth, then cut inland on Routes 4 and 29 into Lambertville. The drive takes about 7.5 hours without stops.

This corridor traces the eastern edge of the Appalachians and crosses the Merrimack and Connecticut Rivers. Historically, it was part of the Boston Post Road network. Today, it offers a blend of working harbors, state parks, and historic towns.

Fuel costs average $0.17 per mile. A full tank from Belfast to Lambertville costs about $55 for a sedan. Gas stations cluster near interstate exits, but sparse in rural Maine between Belfast and Augusta.

• Maine Turnpike (I-95) has tolls: ~$5 from Portland to Kittery.
• Mass Pike (I-90) is an alternative but adds tolls and distance.
• Route 4 in New Jersey is free and scenic.

Check your tire pressure before leaving; road surfaces vary. Construction on I-95 near New Haven can add 30 minutes. Use Waze for real-time reroutes. For tips on planning stops, see how to find the best stops and hidden gems between cities.

I-95 in Connecticut is prone to congestion. Merge carefully at the Merritt Parkway (CT-15) exits. In Maine, moose are active at dawn/dusk; watch for wildlife signs.

• Rest areas on I-95: Kennebunk (Maine), Seabrook (NH), North Stonington (CT).
• Family stops: The Children's Museum in Portland; Mystic Aquarium (CT).
• Pet-friendly: Camden Hills State Park allows dogs on leash.

Pack water and snacks. Plan rest breaks every 2 hours. The how to find the best stops and hidden gems between cities guide highlights lesser-known parks.

Overnight options: Portland, Newport (RI), or Mystic (CT). Lambertville has bed-and-breakfasts.

Camden Hills State Park (Rte 1, mile 55) offers views of Penobscot Bay. Hike Mount Battie for a 360-degree panorama. The park is open year-round; entry fee $4.

• Portland Head Light (Cape Elizabeth) – iconic lighthouse, free parking.
• Old Port of Portland – cobblestone streets, craft breweries.
• Hammonasset Beach State Park (I-95, CT) – $22 entry, boardwalk and sand.

Lambertville is a hub for antiques and arts. The Delaware River runs parallel to Main Street. Browse antique shops and galleries. Sunday flea market at the Golden Nugget.

Local produce stands dot Route 29 in NJ – look for Johnson's Corner Farm for pies and cider.