The three surviving victims of the horrific single-car crash that left two dead Sunday morning on the Southern State Parkway in North Merrick remained in critical condition Tuesday, as State Police continued their investigation.

The crash of a 2008 Nissan Maxima carrying five people home from a birthday party in Amityville killed passengers Bryan J. Rivas, 20, and Blossom J. Castro, 22, both of Hempstead, State Police said.

The driver, Kervens Boutin, 29, of Hempstead, was charged Sunday with reckless driving.

On Tuesday, Boutin and passenger Marlo Cabrera, 19, of the Bronx, remained in critical condition in the intensive care unit at Nassau University Medical Center in East Meadow, a hospital spokeswoman said.

The fourth passenger, Antonio Rivas, 22, of Hempstead, also remained in critical condition at Winthrop-University Hospital in Mineola, a hospital spokeswoman said Tuesday.

Maj. Patrick Regan, troop commander of the State Police on Long Island, said Monday that "excessive speed appears to be a significant contributing factor" in the terrible crash.

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Regan also said: "The investigation will uncover other contributing factors if they exist."

The westbound car ran off the road and into a stand of trees near Exit 23 at about 5:45 a.m. Sunday, police said. The area is on a stretch of the parkway between Exit 17 and Exit 30 dubbed "Blood Alley" by police and automotive safety groups because of its history of fatal crashes. Nearly 40 people have been killed in crashes along that portion in the past six years.

Regan said Sunday's accident, similar to an Oct. 8 crash where four teens died when Joseph Beer, 17, of Queens, lost control going west, "highlights the unforgiving nature of the Southern State Parkway when the rules of the road are not adhered to."

Jason Todeschini, of Ott Lane in North Merrick, said he arrived home from work between 5:30 and 5:45 a.m. Sunday and had just sat down to eat when he heard the crash. When he went outside he saw what he described as a "mangled" car.

New York State Police investigators take measurements at scene of a crash on the westbound Southern State Parkway near the Meadowbrook Parkway in North Merrick where a vehicle carrying multiple people crashed into a tree around 6:20 a.m. Sunday morning. (Jan. 27, 2013) Photo Credit: James Carbone

Crashes are frequent in the area of the parkway that is just 40 feet from his backyard fence, Todeschini said.