NEWARK, N.J. – Hurricane Earl played havoc with travelers’ Labor Day weekend plans even as it weakened Friday on its path up the East Coast toward New England.

Train service was suspended in the Northeast, flights were delayed or canceled up and down the Eastern seaboard and coastal roads washed out. Even Interstate 95, the most heavily traveled highway in the East and a gateway to the beaches of Cape Cod and Maine, was expected to flood in Rhode Island.

Amtrak suspended service between New York and Boston until Saturday morning after a tree fell across electrical lines in New London, Conn., at about 12:30 p.m. The rail carrier already had planned to stop service by 4:30 p.m. due to the storm.

Continental Airlines had canceled about 60 flights by Friday afternoon, and some regional carriers had done the same, though other major carriers reported few or no cancellations.

Southwest Airlines said it canceled flights Friday at three East Coast airports — Islip, N.Y., Providence, R.I., and Boston’s Logan Airport — as the hurricane approached. The airline expected to resume service at all three by Saturday morning.

Southwest expected to resume flights Friday afternoon in Norfolk, Va., where flights were canceled starting Thursday night.

Arriving flights at New York’s LaGuardia airports were delayed about half an hour Friday because of weather, the Federal Aviation Administration said.

On Massachusetts’ Cape Cod, ferries to and from Nantucket were suspended at noon, leaving some vacationers stranded on the mainland. On the island, a steady line of pickup trucks towed boats to safe storage until the storm passed, assistant town manager Gregg Tivnan said.

In Atlantic City, Bob Quinn of Rochester, N.Y., was planning to leave ahead of the storm Friday.

“We were going to be leaving Friday by noon, so we figured we would probably catch the good weather and get out of here just before the bad stuff came in,” Quinn said.

One man drowned in rough surf in New Jersey on Tuesday and another was missing after going into the ocean Thursday night, state officials said.

Ellen McDonough of Boston and a friend were waiting in Hyannis on Friday morning for one of the last ferries to Nantucket. The two had long planned a Labor Day weekend getaway to the island.

“It’s not a 3-foot snowstorm. I think us New Englanders are tough,” McDonough said. “We’ve had this weekend planned, and no hurricane is going to stop us.”

The National Weather Service was forecasting winds up to 65 mph on Nantucket, with gusts up to 85 mph. Earl packed winds that had reached 145 mph before losing strength.

In North Carolina, portions of Highway 12, the main artery through the Outer Banks, were closed because of tidal flooding. Officials said the road to and from Hatteras Island — home to seven villages — would stay closed through Friday.

The highway is critical should residents and tourists who obeyed evacuation orders try to return soon. Several counties had asked people to leave risky areas, including Ocracoke and Hatteras islands.

On Ocracoke, Highway 12 was open to 4-wheel-drive traffic early Friday, Hyde County spokeswoman Jamie Tunnell said. Officials hoped to open the road to all vehicles by the end of the day.

Farther north, Rhode Island Gov. Don Carcieri urged drivers to stay off Interstate 95, which was expected to flood Friday evening.

In Maine, two cruise ships, including the Explorer of the Seas with about 3,000 passengers, sought the safety of Portland Harbor to ride out the storm. Hundreds of smaller boats were pulled from the water up and down the coast.

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Associated Press writers Denise Lavoie in Boston; Bob Salsberg in Hyannis, Mass.; Tom Breen in Kill Devil Hills, N.C.; Eric Tucker in Providence, R.I.; David Sharp in Portland, Maine; Angelique Yack in Atlantic City, N.J.; and AP Airlines Writers Joshua Freed in Minneapolis and David Koenig in Dallas contributed to this report.

ATLANTA – Delta Air Lines Inc., the world’s largest airline, said Friday its traffic in August inched 1.1 percent higher as a continued international uptick was balanced by a domestic decline.

Systemwide traffic rose to 18.94 billion revenue passenger miles, a metric that measures a paying passenger flown one mile. Domestic traffic fell 0.9 percent despite a slight uptick in the number of available seats. International traffic increased 4.2 percent on a 2.7 percent increase in capacity.

The airline’s number of available seats, or capacity, rose 1.2 percent across its network.

Delta’s load factor, or occupancy rate, remained flat at 86.5 percent systemwide.

Delta flew about 15.2 million customers in August worldwide, about 0.3 percent higher than a year earlier.

FORT WORTH, Texas – American Airlines said Friday that its August traffic rose 3.1 percent from a year ago thanks to a healthy gain in international travel.

Domestic traffic inched higher by 0.6 percent while international traffic increased 7.1 percent. Latin America traffic rose 9 percent.

AMR Corp.’s American said paying passengers flew 11.51 billion miles last month, compared with 11.17 billion miles in August 2009.

American boosted capacity by 3.2 percent, to 13.61 billion available seat miles. That’s the number of miles flown times seats on the plane. The airline added capacity on international routes, especially to Latin America.

The average plane was 84.6 percent full, down from 84.7 percent a year earlier.

For the first eight months of the year, traffic was up 1.7 percent, capacity dipped 0.3 percent, and the average occupancy rose to 82.2 percent from 80.7 percent.