The teenager was hit on the westbound side of Route 38 at about 6:30 p.m. on Friday, June 14 as he tried to cross the highway near milepost 19.1 in Southampton, New Jersey State Police said.
Emergency workers brought the 14-year-old to an area hospital where he died on Sunday, June 16, according to Sgt. Jeffrey Lebron, a State Police spokesman.
The driver, 44, from the Browns Mills section of Pemberton Township, has not been charged, Lebron said.
Police did not identify the bicyclist.
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