A 25-year-old motorcycle rider was killed Thursday when he collided with a box truck turning on a bustling Queens street, police said.

Both the motorcyclist and the truck driver, 57, were heading west on Roosevelt Ave. in Woodside around 7:45 a.m. when the truck driver made a right turn onto 64th St., cops said.

The motorcyclist slammed into the turning truck and was thrown from his Kawasaki motorcycle.

He died at the scene, cops said. His name was not immediately released as cops track down family members.

Police investigate a fatal crash involving a motorcycle and a truck on Roosevelt Ave. in Woodside on Thursday morning. (Theodore Parisienne / New York Daily News)

Theodore Parisienne / New York Daily News

Police investigate a fatal crash involving a motorcycle and a truck on Roosevelt Ave. in Woodside on Thursday morning. (Theodore Parisienne / New York Daily News)

The box truck driver remained at the scene. No arrests have been made.

Cops were investigating the possibility that the motorcycle rider was traveling in between lanes at the time of the crash, a police source with knowledge of the case said.

Police investigate the fatal crash on Roosevelt Ave. Thursday morning.

Theodore Parisienne / New York Daily News

Police investigate the fatal crash on Roosevelt Ave. Thursday morning. (Theodore Parisienne / New York Daily News)