One teen-ager was killed and three others were seriously injured yesterday afternoon in a car accident on Route 24 in Bel Air.

State police said Michael Joseph Napoli, 18, of Bel Air was driving north on Route 24, south of Singer Road, about 2 p.m. when a 1988 Oldsmobile driven south by James Clayton Baker, 17, crossed the median strip and struck Napoli's 1996 Honda. Napoli was killed and his passengers, Alison Vignola, 17, and Matthew Lemaire, 18, also of Bel Air, were injured.

Vignola and Lemaire were flown to Maryland Shock Trauma Center, where they were in stable condition last night. Baker was in critical condition last night at Shock Trauma.

Police said the crash is being investigated.

Pub Date: 4/25/99