MILFORD — One of the pedestrians hurt in a wild five-car pileup early Saturday on Interstate 95 remains in critical condition, but another has improved to serious condition.Lisa Sanchez, 30, of Parrott Drive, Shelton, and Norma Sanchez, 33, of North Cliff Street, Ansonia, were listed Monday in serious and critical condition, respectively, by the Hospital of St. Raphael in New Haven and Yale-New Haven Hospital.

Police said both women suffered upper-body trauma.

“They’re expected to survive,” said Lt. J Paul Vance, the State Police spokesman.

They and 21-year-old Antonio Dossantos, of Poplar Street in Bridgeport, were severely injured Saturday after their car spun out in a light rain while trying to merge onto northbound I-95 at the exit 38 junction.

State police said the incident took place shortly after midnight when Lisa Sanchez lost control of the 2000 VW Jetta she was driving and it whipped around 180 degrees.

The women left the stopped car, which was in the highway’s center lane facing approaching traffic. They were on foot near exit 38 when three other cars hit their car, according to police.

“It all happened out of nowhere,” said David Pacheco Jr., 29, of Stratford, who said he swerved into the median lane to avoid hitting one of the women and was pushed into the Jersey barrier by another car.

“All I saw was a girl jump into the left lane. I was wondering, ‘What can a human possibly be doing in the middle of I-95 at midnight?’ ”

Dossantos was hit by another driver trying to avoid the chaos, police said. He was listed in serious condition Saturday night, but discharged Sunday from Yale-New Haven.

The accident is still under investigation and will likely take several weeks to reconstruct, Vance said.

He said no charges had been filed as of Monday.

The three drivers who hit the VW and three passengers were treated at Milford Hospital and released. A fourth passenger was treated and released from Yale-New Haven.

The accident was among 233 in the state over the July 4 holiday weekend — people were injured in 42 of the crashes and four people were killed, according to state police.

MILFORD — Three people were severely injured early Saturday after the car in which they were driving spun out in a light rain while trying to merge onto the northbound section of Interstate 95.The trio exited the stopped car and were on foot near Exit 38 when their vehicle was struck by three other cars. A fourth car then hit one of the pedestrians, identified as Antonio Dossantos, 21, of Poplar Street, Bridgeport.

State Police said the incident occurred shortly after midnight, when a 2000 VW Jetta driven by Lisa Sanchez, 30, of Parrott Drive, Shelton, lost control while merging onto I-95 at Exit 38 and spun around 180 degrees on the wet pavement.

The vehicle stopped in the center lane, facing oncoming traffic. The driver and two passengers, Dossantos and Norma Sanchez, 33, of North Cliff Street, Ansonia, all exited the car and were on foot when a 2002 Nissan Altima, driven by Paul F. Violano, 23, of Alps Road, Branford, struck the Jetta head-on.

“I didn’t see anything,” Violano said in a phone interview from his home Saturday night, adding that he only remembers seeing headlights glaring straight at him in the center lane.

“I didn’t know if they were coming at me or not,” he said, recalling that he had just enough time to start braking before the crash.

State police said the three pedestrians were thrown to the pavement by the impact of the collision, which spun the VW into the median, where it crashed into a Jersey barrier, then bounced back into the left lane.

The VW was then struck by a 1995 Nissan Maxima operated by David Pacheco Jr., 29, of Barnum Avenue, Stratford, who police said tried to avoid a collision by swerving into the median.

The VW was then struck again, head-on, by a 1997 Acura operated by John Sykes, 39, of Candee Avenue, West Haven. The VW finally came to rest in the center lane.

At that point, a 1996 VW Jetta driven by Jeanette Cal, of Burritt Avenue, Stratford, that was in the center lane, moved to the left to avoid the other VW and the Altima, but struck Dossantos, police said. Dossantos was listed in serious condition at Yale New-Haven Hospital Saturday night. Police said the incident caused trauma to his abdomen.

Norma Sanchez was listed in critical condition Saturday night in the surgical intensive-care unit at Yale New-Haven. State police said she sustained a trauma to her upper body and head. Lisa Sanchez was listed in critical condition Saturday night in the Hospital of St. Raphael in New Haven. Police said she sustained a “serious” upper-body trauma.

Pacheco complained of back and shoulder pain and was taken to Milford Hospital.

Sykes, who was driving four passengers, complained of minor injuries and was also taken to Milford Hospital. A passenger in his car, Anivelca Lopez, 33, of Candee Avenue, West Haven, complained of neck and back pain and was transported by emergency crews to Yale-New Haven, where she was treated and released.

Another passenger, Leonard Cameron, also of Candee Avenue, West Haven, was transported for precautionary reasons to Milford Hospital.

A third passenger, Richard Knecht, 25, also of Candee Avenue, West Haven, was taken to Yale-New Haven as a precaution and was treated and released.

The fourth passenger, Ramona Lopez, 36, of New York City, complained to minor injuries and was taken to Milford Hospital, police said.

Violano said he was released from Milford Hospital after X-rays were taken. Milford Hospital officials said Saturday night that none of those taken there were admitted, so they presumably were treated in the emergency room and released.

The accident is still under investigation, police said.