Two accidents on Maryland highways killed three persons and injured two others early yesterday morning, state police said.

A 25-year-old Landover Hills man was killed in a motorcycle accidents at the intersection of I-95 and the Beltway, where four persons have died in the last month, police said.

Police said Albert Steven Acklin of 4806 Woodlawn Dr. was riding his motorcycle west on the Beltway near the I-95 exit when he was forced to swerve to avoid an unidentified car that was backing up on the highway.

Acklin fell off his bike, police said, and was struck by a westbound auto. He died less than an hour later at Prince George's General Hospital, police said.

About 2:40 a.m., police said, a vehicle driving west in the westbound lanes of Rte. 270 collided with a westbound car near the Falls Road exit, killing one person in each car.

The driver of the estbound car, Ruth Hager, 52, of Beaverdam, Va., and Lee Ellen Day, 19, of Damascus, a passenger in the second vehicle, were killed, police said.

The driver of the eastbound car, were taken to Suburban Hospital, fire officials said, and one, Jeffrey Ingram, 19, of Gaithersburg was admitted with a broken arm and head injuries.

Ingram was in satisfactory condition yesterday, hospital officals said.