GREENBELT, Md. (WJZ) — A Bowie man walking along the Capital Beltway in Greenbelt was hit by a van and killed early Saturday morning, Maryland State Police said.

Jamarr Rahman Shareef, 39, was unresponsive when police arrived at the southbound lanes of the Beltway at the Baltimore-Washington Parkway exit just before 12:15 a.m., police said.

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He was pronounced dead at the scene.

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The driver of the white Nissan NV van that hit Shareef stayed at the scene. Impaired or distracted driving were not factors in the crash, police said.

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Police continue to investigate the crash and do not know why Shareef was walking along the interstate.

CBS Baltimore Staff