00:31 Falling Tree Misses Delivery Truck in Gusty Winds in New York A falling tree misses a delivery truck during gusty winds in Yonkers, NY, in Winter Storm Riley.

At a Glance More than 200,000 homes and businesses remain without power in the Northeast.

An 88-year-old woman was killed in Suffern, New York, Wednesday by a downed tree.

A man was killed Thursday in New Jersey after driving around a barricade and striking a live power line.

At least three people are dead and more than 200,000 homes and businesses remained without power Friday night, a day after Winter Storm Quinn pulled out of the Northeast.

Much of the region was still digging out Friday after the storm shut down schools, caused travel woes in several major cities and dumped as much as three feet of snow in some areas.

"We are making steady progress but realize if your power is out, those milestones don't mean anything to you. We completely get that," said Christine Milligan, a spokesman for utility National Grid in Massachusetts.

At least three people died in the Northeast. Earlier in the week, the storm killed five as it made its cross-country trek across the country.

Barbara Suleski, 88, was killed Wednesday afternoon after being struck by a tree that fell on her while she shoveled snow outside her Suffern, New York, home, the Associated Press reports.

Anthony Gonzalez, 40, of Wanaque, New Jersey, was killed Thursday when he drove around a barricade in Franklin Lakes and struck a live power line, AP reports.

Robert Rogers of Enfield, New Hampshire, was struck and killed in his pickup truck Thursday by a snowplow in Lebanon, New Hampshire. Authorities are investigating the incident to determine if weather conditions were a factor, AP reports.

A woman in Sudbury, Massachusetts, suffered a broken right arm, a large gash on her left arm, a black eye and a cut on her head after heavy snow caused a large branch to fall on her.

"I looked up at the last minute and I saw the branches coming toward me and I put my arms up to protect myself," Paula Mackenzie told WCVB.

Storm Knocks Out Power

The storm's heavy, wet snow left more than 1 million customers in the dark by Thursday morning, according to PowerOutage.us . By Friday night, more than 200,000 were still without power.

Officials with electric utility Eversource, which serves millions of customers in Massachusetts, Connecticut and New Hampshire, said Thursday it could be days before power is restored to everyone, the AP reports.

New Jersey Gov. Phil Murphy told reporters Thursday afternoon the state remains under a state of emergency. He also said he is launching a review of how utilities responded to the back-to-back nor'easters.

(PHOTOS: Winter Storm Quinn, in Pictures ) (MORE: What Is a Nor'easter? )

Travel Woes Across the Region

The storm became a travel nightmare for millions of commuters and travelers throughout the region over the 48-hour period.

In Wilmington, Massachusetts, a commuter rail train slid off the tracks Thursday morning after striking a fallen tree branch lodged in the tracks, the Boston Globe reported. Some 100 passengers were aboard the train during the "low-speed derailment," and no injuries were reported , according to CBS Boston.

Snowmobiles were sent to rescue drivers who were trapped in their cars for at least five hours on a snow-covered Route 280 and Route 78 early Thursday morning in Essex County, New Jersey , NJ.com reported. The motorists were taken to warming centers after crews rescued them from their vehicles, the report added. More than 500 vehicles got stuck during the incident , WABC-TV said.

On Manhattan's Upper West Side, one person was injured in a stampede at a subway station after an arctic cable sparked flames and produced smoke, scaring the crowd of passengers. The incident occurred at about 4:30 p.m. Wednesday afternoon, according to the AP.

"I see a ball of fire filling the end of the tunnel ," passenger Bryan Murphy told the New York Post. "People are running and screaming and people were falling down and you had to step over them."

(MORE: Why Thundersnow Happens )

1 Injured by Lightning Strike During Thundersnow

Officials in Ocean County, New Jersey, said Manchester Middle School 8th grade teacher Jessica Geiger was hospitalized after being struck by lightning during thundersnow , NBC Philadelphia reported.

Geiger was in stable condition after being struck, the report added.