KEENE, New Hampshire (AP) -- Hundreds of people were forced to evacuate their homes after more than a day and a half of drenching rain washed out roads and flooded homes in New Hampshire, Pennsylvania and New Jersey.At least three deaths were blamed on the storm.New Hampshire Gov. John Lynch declared a state of emergency Sunday and called in 500 National Guard members to assist in relief efforts. Transportation Commissioner Carol Murray said police and highway crews blocked damaged roads before dawn, a move that likely prevented injuries."A quick assessment is we're probably looking at months, not weeks" to make repairs, she said.The most severe flooding in New Hampshire was in Keene, where some major roads were under as much as 4 to 6 feet of water, fire officials said. About 500 people were evacuated, and about 150 were staying at a shelter in the city's recreation center. In nearby Stoddard, residents were also told to leave.A house was washed into a river in Langdon, Murray said.In New Hampshire, at least one person was killed when a car went off a washed-out bridge in the town of Unity, said Pam Walsh, the governor's spokeswoman.In Pennsylvania, a person died after a car struck a guardrail in Bucks County and flipped into a creek, trapping the driver. A car accident in New Jersey killed a 2-year-old boy, police said.Pennsylvania authorities rescued two boys from an Allentown creek on Saturday after their inflatable raft overturned. As the boys clung to a small tree, firefighters tossed them a pair of life jackets and then pulled them to safety with a rope. Authorities said a family was rescued from an apartment when a retaining wall collapsed, and another six were evacuated from a mobile home park.Eight-foot-high flood waters from the Ramapo River caused officials in New Jersey's Bergen County to evacuate about 30 residents Saturday night and early Sunday, Mayor John Szabo said. Rain also knocked out electricity to as many as 6,000 utility customers across the state.Forecasters said 10 inches of rain fell in Allentown in the 24-hour period between Friday and Saturday. Rain fell at a rate of up to 2 inches per hour in parts of New Hampshire, they said.Copyright 2005 The Associated Press. All rights reserved.This material may not be published, broadcast, rewritten, or redistributed.